Home / 7,342.10-10,132.17-3,984.95

Finding the Fourth Proportional to 7,342.10, 10,132.17 and 3,984.95

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Solution

The fourth proportional to 7,342.10, 10,132.17 and 3,984.95 is: 5,499.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.10 : 10,132.17 = 3,984.95 : x
  2. Step 2: Convert to fraction form
    7,342.10/10,132.17 = 3,984.95/x
  3. Step 3: Cross multiply
    7,342.10x = 10,132.17 × 3,984.95
  4. Step 4: Simplify right side
    7,342.10x = 40,376,140.18
  5. Step 5: Solve for x
    x = 40,376,140.18/7,342.10
  6. Step 6: Final answer
    x = 5,499.27

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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.