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Finding the Fourth Proportional to 3,747.62, 5,171.42 and 2,068.92

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Solution

The fourth proportional to 3,747.62, 5,171.42 and 2,068.92 is: 2,854.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.62 : 5,171.42 = 2,068.92 : x
  2. Step 2: Convert to fraction form
    3,747.62/5,171.42 = 2,068.92/x
  3. Step 3: Cross multiply
    3,747.62x = 5,171.42 × 2,068.92
  4. Step 4: Simplify right side
    3,747.62x = 10,699,243.92
  5. Step 5: Solve for x
    x = 10,699,243.92/3,747.62
  6. Step 6: Final answer
    x = 2,854.95

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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.