Home / 5,238.24-7,231.12-3,251.52

Finding the Fourth Proportional to 5,238.24, 7,231.12 and 3,251.52

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Solution

The fourth proportional to 5,238.24, 7,231.12 and 3,251.52 is: 4,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.24 : 7,231.12 = 3,251.52 : x
  2. Step 2: Convert to fraction form
    5,238.24/7,231.12 = 3,251.52/x
  3. Step 3: Cross multiply
    5,238.24x = 7,231.12 × 3,251.52
  4. Step 4: Simplify right side
    5,238.24x = 23,512,131.30
  5. Step 5: Solve for x
    x = 23,512,131.30/5,238.24
  6. Step 6: Final answer
    x = 4,488.56

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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.