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Finding the Fourth Proportional to 3,793.55, 5,691.33 and 3,379.92

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Solution

The fourth proportional to 3,793.55, 5,691.33 and 3,379.92 is: 5,070.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,793.55 : 5,691.33 = 3,379.92 : x
  2. Step 2: Convert to fraction form
    3,793.55/5,691.33 = 3,379.92/x
  3. Step 3: Cross multiply
    3,793.55x = 5,691.33 × 3,379.92
  4. Step 4: Simplify right side
    3,793.55x = 19,236,240.09
  5. Step 5: Solve for x
    x = 19,236,240.09/3,793.55
  6. Step 6: Final answer
    x = 5,070.78

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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.