Math Problem Statement

7, 41, 177, 721, 2897, ?

Solution

To determine the next term in the sequence: 7, 41, 177, 721, 2897, let's examine the differences between consecutive terms.

  1. Difference between 41 and 7:
    417=3441 - 7 = 34

  2. Difference between 177 and 41:
    17741=136177 - 41 = 136

  3. Difference between 721 and 177:
    721177=544721 - 177 = 544

  4. Difference between 2897 and 721:
    2897721=21762897 - 721 = 2176

The pattern of differences is: 34,136,544,217634, 136, 544, 2176

These differences are each multiplied by 4 as we progress: 136=34×4,544=136×4,2176=544×4136 = 34 \times 4,\quad 544 = 136 \times 4,\quad 2176 = 544 \times 4

Continuing this pattern, the next difference should be: 2176×4=87042176 \times 4 = 8704

Adding this to the last term in the sequence (2897): 2897+8704=116012897 + 8704 = 11601

Thus, the next term in the sequence is 11601.

Would you like further details or clarification?

Related Questions:

  1. What is the formula for generating the terms of this sequence?
  2. How would you recognize sequences with similar patterns?
  3. Can you generalize this type of sequence to higher-order differences?
  4. What would the next two terms of this sequence be?
  5. How are geometric progressions related to sequences with multiplicative differences?

Tip:

Identifying the pattern in the differences between terms is a common technique when analyzing sequences.

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Math Problem Analysis

Mathematical Concepts

Number Sequences
Pattern Recognition
Geometric Progression

Formulas

Next difference = previous difference × 4
Next term = last term + next difference

Theorems

Arithmetic Sequence Theorem
Geometric Progression Theorem

Suitable Grade Level

Grades 9-12