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Finding the Fourth Proportional to 5,732.70, 7,909.05 and 3,374.83

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Solution

The fourth proportional to 5,732.70, 7,909.05 and 3,374.83 is: 4,656.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,732.70 : 7,909.05 = 3,374.83 : x
  2. Step 2: Convert to fraction form
    5,732.70/7,909.05 = 3,374.83/x
  3. Step 3: Cross multiply
    5,732.70x = 7,909.05 × 3,374.83
  4. Step 4: Simplify right side
    5,732.70x = 26,691,699.21
  5. Step 5: Solve for x
    x = 26,691,699.21/5,732.70
  6. Step 6: Final answer
    x = 4,656.04

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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.