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Finding the Fourth Proportional to 3,607.92, 5,411.88 and 1,010.88

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Solution

The fourth proportional to 3,607.92, 5,411.88 and 1,010.88 is: 1,516.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.92 : 5,411.88 = 1,010.88 : x
  2. Step 2: Convert to fraction form
    3,607.92/5,411.88 = 1,010.88/x
  3. Step 3: Cross multiply
    3,607.92x = 5,411.88 × 1,010.88
  4. Step 4: Simplify right side
    3,607.92x = 5,470,761.25
  5. Step 5: Solve for x
    x = 5,470,761.25/3,607.92
  6. Step 6: Final answer
    x = 1,516.32

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Similar ratio
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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.