Home / 5,229.56-7,217.52-3,240.68

Finding the Fourth Proportional to 5,229.56, 7,217.52 and 3,240.68

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Solution

The fourth proportional to 5,229.56, 7,217.52 and 3,240.68 is: 4,472.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.56 : 7,217.52 = 3,240.68 : x
  2. Step 2: Convert to fraction form
    5,229.56/7,217.52 = 3,240.68/x
  3. Step 3: Cross multiply
    5,229.56x = 7,217.52 × 3,240.68
  4. Step 4: Simplify right side
    5,229.56x = 23,389,672.71
  5. Step 5: Solve for x
    x = 23,389,672.71/5,229.56
  6. Step 6: Final answer
    x = 4,472.59

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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.