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Finding the Fourth Proportional to 3,708.68, 5,559.87 and 1,627.10

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Solution

The fourth proportional to 3,708.68, 5,559.87 and 1,627.10 is: 2,439.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.68 : 5,559.87 = 1,627.10 : x
  2. Step 2: Convert to fraction form
    3,708.68/5,559.87 = 1,627.10/x
  3. Step 3: Cross multiply
    3,708.68x = 5,559.87 × 1,627.10
  4. Step 4: Simplify right side
    3,708.68x = 9,046,456.34
  5. Step 5: Solve for x
    x = 9,046,456.34/3,708.68
  6. Step 6: Final answer
    x = 2,439.27

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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.