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Finding the Fourth Proportional to 5,086.60, 7,019.15 and 3,407.73

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Solution

The fourth proportional to 5,086.60, 7,019.15 and 3,407.73 is: 4,702.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.60 : 7,019.15 = 3,407.73 : x
  2. Step 2: Convert to fraction form
    5,086.60/7,019.15 = 3,407.73/x
  3. Step 3: Cross multiply
    5,086.60x = 7,019.15 × 3,407.73
  4. Step 4: Simplify right side
    5,086.60x = 23,919,350.99
  5. Step 5: Solve for x
    x = 23,919,350.99/5,086.60
  6. Step 6: Final answer
    x = 4,702.43

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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.