Home / 5,227.61-7,215.22-3,132.95

Finding the Fourth Proportional to 5,227.61, 7,215.22 and 3,132.95

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Solution

The fourth proportional to 5,227.61, 7,215.22 and 3,132.95 is: 4,324.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.61 : 7,215.22 = 3,132.95 : x
  2. Step 2: Convert to fraction form
    5,227.61/7,215.22 = 3,132.95/x
  3. Step 3: Cross multiply
    5,227.61x = 7,215.22 × 3,132.95
  4. Step 4: Simplify right side
    5,227.61x = 22,604,923.50
  5. Step 5: Solve for x
    x = 22,604,923.50/5,227.61
  6. Step 6: Final answer
    x = 4,324.14

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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.