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Finding the Fourth Proportional to 3,593.42, 5,390.12 and 1,644.26

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Solution

The fourth proportional to 3,593.42, 5,390.12 and 1,644.26 is: 2,466.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,593.42 : 5,390.12 = 1,644.26 : x
  2. Step 2: Convert to fraction form
    3,593.42/5,390.12 = 1,644.26/x
  3. Step 3: Cross multiply
    3,593.42x = 5,390.12 × 1,644.26
  4. Step 4: Simplify right side
    3,593.42x = 8,862,758.71
  5. Step 5: Solve for x
    x = 8,862,758.71/3,593.42
  6. Step 6: Final answer
    x = 2,466.39

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Similar ratio
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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.