Home / 5,147.18-7,716.14-2,372.43

Finding the Fourth Proportional to 5,147.18, 7,716.14 and 2,372.43

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Solution

The fourth proportional to 5,147.18, 7,716.14 and 2,372.43 is: 3,556.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147.18 : 7,716.14 = 2,372.43 : x
  2. Step 2: Convert to fraction form
    5,147.18/7,716.14 = 2,372.43/x
  3. Step 3: Cross multiply
    5,147.18x = 7,716.14 × 2,372.43
  4. Step 4: Simplify right side
    5,147.18x = 18,306,002.02
  5. Step 5: Solve for x
    x = 18,306,002.02/5,147.18
  6. Step 6: Final answer
    x = 3,556.51

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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.