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Finding the Fourth Proportional to 3,793.44, 5,689.87 and 1,685.73

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Solution

The fourth proportional to 3,793.44, 5,689.87 and 1,685.73 is: 2,528.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,793.44 : 5,689.87 = 1,685.73 : x
  2. Step 2: Convert to fraction form
    3,793.44/5,689.87 = 1,685.73/x
  3. Step 3: Cross multiply
    3,793.44x = 5,689.87 × 1,685.73
  4. Step 4: Simplify right side
    3,793.44x = 9,591,584.56
  5. Step 5: Solve for x
    x = 9,591,584.56/3,793.44
  6. Step 6: Final answer
    x = 2,528.47

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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.