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The table shows the number of magazines and their respective costs. To determine if this relationship is proportional, we need to check if the ratio between the number of magazines and the cost is constant across all rows.

Let's calculate the cost per magazine for each entry:

- For 1 magazine costing $2:  
  $\frac{2}{1} = 2$ dollars per magazine.

- For 2 magazines costing $4:  
  $\frac{4}{2} = 2$ dollars per magazine.

- For 4 magazines costing $6:  
  $\frac{6}{4} = 1.5$ dollars per magazine.

- For 5 magazines costing $10:  
  $\frac{10}{5} = 2$ dollars per magazine.

Since the third row (4 magazines for $6) has a different cost per magazine ($1.50), the relationship is **not proportional**.

The correct answer is:
- **No. The row with 4 magazines costs $6, which is not proportional to the other amounts.**

Would you like further details or have any questions? Here are some related questions to explore further:

1. What defines a proportional relationship?
2. Can a relationship be almost proportional but still be considered non-proportional?
3. How would we adjust the table to make the relationship proportional?
4. What is the effect of having non-integer unit rates in proportional relationships?
5. How can you visually identify proportional relationships on a graph?

**Tip:** When determining proportionality, always check if the unit rate remains constant across all values.

Do the number of magazines and the costs represent a proportional relationship?

Determine whether the relationship between the number of magazines and their costs is proportional. Analyze the unit rate for each set of values. Suitable for Grade 6-7 students learning about ratios and proportional relationships.

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