Home / 5,470.11-8,213.37-3,132.75

Finding the Fourth Proportional to 5,470.11, 8,213.37 and 3,132.75

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Solution

The fourth proportional to 5,470.11, 8,213.37 and 3,132.75 is: 4,703.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.11 : 8,213.37 = 3,132.75 : x
  2. Step 2: Convert to fraction form
    5,470.11/8,213.37 = 3,132.75/x
  3. Step 3: Cross multiply
    5,470.11x = 8,213.37 × 3,132.75
  4. Step 4: Simplify right side
    5,470.11x = 25,730,419.20
  5. Step 5: Solve for x
    x = 25,730,419.20/5,470.11
  6. Step 6: Final answer
    x = 4,703.82

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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.