Home / 5,512.38-7,607.11-3,154.53

Finding the Fourth Proportional to 5,512.38, 7,607.11 and 3,154.53

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Solution

The fourth proportional to 5,512.38, 7,607.11 and 3,154.53 is: 4,353.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.38 : 7,607.11 = 3,154.53 : x
  2. Step 2: Convert to fraction form
    5,512.38/7,607.11 = 3,154.53/x
  3. Step 3: Cross multiply
    5,512.38x = 7,607.11 × 3,154.53
  4. Step 4: Simplify right side
    5,512.38x = 23,996,856.71
  5. Step 5: Solve for x
    x = 23,996,856.71/5,512.38
  6. Step 6: Final answer
    x = 4,353.27

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Half scale
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Double scale
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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.