Home / 5,330.28-7,359.21-3,442.71

Finding the Fourth Proportional to 5,330.28, 7,359.21 and 3,442.71

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Solution

The fourth proportional to 5,330.28, 7,359.21 and 3,442.71 is: 4,753.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.28 : 7,359.21 = 3,442.71 : x
  2. Step 2: Convert to fraction form
    5,330.28/7,359.21 = 3,442.71/x
  3. Step 3: Cross multiply
    5,330.28x = 7,359.21 × 3,442.71
  4. Step 4: Simplify right side
    5,330.28x = 25,335,625.86
  5. Step 5: Solve for x
    x = 25,335,625.86/5,330.28
  6. Step 6: Final answer
    x = 4,753.15

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1.5x scale

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.