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Finding the Fourth Proportional to 3,472.59, 5,209.14 and 1,007.42

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Solution

The fourth proportional to 3,472.59, 5,209.14 and 1,007.42 is: 1,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.59 : 5,209.14 = 1,007.42 : x
  2. Step 2: Convert to fraction form
    3,472.59/5,209.14 = 1,007.42/x
  3. Step 3: Cross multiply
    3,472.59x = 5,209.14 × 1,007.42
  4. Step 4: Simplify right side
    3,472.59x = 5,247,765.77
  5. Step 5: Solve for x
    x = 5,247,765.77/3,472.59
  6. Step 6: Final answer
    x = 1,511.20

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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.