Home / 5,414.55-7,470.38-3,176.52

Finding the Fourth Proportional to 5,414.55, 7,470.38 and 3,176.52

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Solution

The fourth proportional to 5,414.55, 7,470.38 and 3,176.52 is: 4,382.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.55 : 7,470.38 = 3,176.52 : x
  2. Step 2: Convert to fraction form
    5,414.55/7,470.38 = 3,176.52/x
  3. Step 3: Cross multiply
    5,414.55x = 7,470.38 × 3,176.52
  4. Step 4: Simplify right side
    5,414.55x = 23,729,811.48
  5. Step 5: Solve for x
    x = 23,729,811.48/5,414.55
  6. Step 6: Final answer
    x = 4,382.60

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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.