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Finding the Fourth Proportional to 2,737.72, 3,775.17 and 2,515.78

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Solution

The fourth proportional to 2,737.72, 3,775.17 and 2,515.78 is: 3,469.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,737.72 : 3,775.17 = 2,515.78 : x
  2. Step 2: Convert to fraction form
    2,737.72/3,775.17 = 2,515.78/x
  3. Step 3: Cross multiply
    2,737.72x = 3,775.17 × 2,515.78
  4. Step 4: Simplify right side
    2,737.72x = 9,497,497.18
  5. Step 5: Solve for x
    x = 9,497,497.18/2,737.72
  6. Step 6: Final answer
    x = 3,469.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.