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Finding the Fourth Proportional to 2,915.92, 4,023.96 and 1,737

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Solution

The fourth proportional to 2,915.92, 4,023.96 and 1,737 is: 2,397.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.92 : 4,023.96 = 1,737 : x
  2. Step 2: Convert to fraction form
    2,915.92/4,023.96 = 1,737/x
  3. Step 3: Cross multiply
    2,915.92x = 4,023.96 × 1,737
  4. Step 4: Simplify right side
    2,915.92x = 6,989,618.52
  5. Step 5: Solve for x
    x = 6,989,618.52/2,915.92
  6. Step 6: Final answer
    x = 2,397.05

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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.