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Finding the Fourth Proportional to 4,737.35, 6,538.15 and 3,939.30

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Solution

The fourth proportional to 4,737.35, 6,538.15 and 3,939.30 is: 5,436.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,737.35 : 6,538.15 = 3,939.30 : x
  2. Step 2: Convert to fraction form
    4,737.35/6,538.15 = 3,939.30/x
  3. Step 3: Cross multiply
    4,737.35x = 6,538.15 × 3,939.30
  4. Step 4: Simplify right side
    4,737.35x = 25,755,744.70
  5. Step 5: Solve for x
    x = 25,755,744.70/4,737.35
  6. Step 6: Final answer
    x = 5,436.74

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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.