Home / 5,151.92-7,729.92-2,232.28

Finding the Fourth Proportional to 5,151.92, 7,729.92 and 2,232.28

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Solution

The fourth proportional to 5,151.92, 7,729.92 and 2,232.28 is: 3,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.92 : 7,729.92 = 2,232.28 : x
  2. Step 2: Convert to fraction form
    5,151.92/7,729.92 = 2,232.28/x
  3. Step 3: Cross multiply
    5,151.92x = 7,729.92 × 2,232.28
  4. Step 4: Simplify right side
    5,151.92x = 17,255,345.82
  5. Step 5: Solve for x
    x = 17,255,345.82/5,151.92
  6. Step 6: Final answer
    x = 3,349.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.