Home / 3,125.28-4,314.62-2,132.02

Finding the Fourth Proportional to 3,125.28, 4,314.62 and 2,132.02

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Solution

The fourth proportional to 3,125.28, 4,314.62 and 2,132.02 is: 2,943.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.28 : 4,314.62 = 2,132.02 : x
  2. Step 2: Convert to fraction form
    3,125.28/4,314.62 = 2,132.02/x
  3. Step 3: Cross multiply
    3,125.28x = 4,314.62 × 2,132.02
  4. Step 4: Simplify right side
    3,125.28x = 9,198,856.13
  5. Step 5: Solve for x
    x = 9,198,856.13/3,125.28
  6. Step 6: Final answer
    x = 2,943.37

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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.