Home / 5,230.62-7,218.27-2,992.52

Finding the Fourth Proportional to 5,230.62, 7,218.27 and 2,992.52

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Solution

The fourth proportional to 5,230.62, 7,218.27 and 2,992.52 is: 4,129.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.62 : 7,218.27 = 2,992.52 : x
  2. Step 2: Convert to fraction form
    5,230.62/7,218.27 = 2,992.52/x
  3. Step 3: Cross multiply
    5,230.62x = 7,218.27 × 2,992.52
  4. Step 4: Simplify right side
    5,230.62x = 21,600,781.25
  5. Step 5: Solve for x
    x = 21,600,781.25/5,230.62
  6. Step 6: Final answer
    x = 4,129.68

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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.