Home / 7,351.14-10,144.76-3,993.92

Finding the Fourth Proportional to 7,351.14, 10,144.76 and 3,993.92

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Solution

The fourth proportional to 7,351.14, 10,144.76 and 3,993.92 is: 5,511.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.14 : 10,144.76 = 3,993.92 : x
  2. Step 2: Convert to fraction form
    7,351.14/10,144.76 = 3,993.92/x
  3. Step 3: Cross multiply
    7,351.14x = 10,144.76 × 3,993.92
  4. Step 4: Simplify right side
    7,351.14x = 40,517,359.86
  5. Step 5: Solve for x
    x = 40,517,359.86/7,351.14
  6. Step 6: Final answer
    x = 5,511.71

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Double scale
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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.