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Finding the Fourth Proportional to 3,727.92, 5,591.92 and 1,262.76

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Solution

The fourth proportional to 3,727.92, 5,591.92 and 1,262.76 is: 1,894.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.92 : 5,591.92 = 1,262.76 : x
  2. Step 2: Convert to fraction form
    3,727.92/5,591.92 = 1,262.76/x
  3. Step 3: Cross multiply
    3,727.92x = 5,591.92 × 1,262.76
  4. Step 4: Simplify right side
    3,727.92x = 7,061,252.90
  5. Step 5: Solve for x
    x = 7,061,252.90/3,727.92
  6. Step 6: Final answer
    x = 1,894.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.