Home / 5,239.62-7,226.89-3,324.78

Finding the Fourth Proportional to 5,239.62, 7,226.89 and 3,324.78

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Solution

The fourth proportional to 5,239.62, 7,226.89 and 3,324.78 is: 4,585.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.62 : 7,226.89 = 3,324.78 : x
  2. Step 2: Convert to fraction form
    5,239.62/7,226.89 = 3,324.78/x
  3. Step 3: Cross multiply
    5,239.62x = 7,226.89 × 3,324.78
  4. Step 4: Simplify right side
    5,239.62x = 24,027,811.02
  5. Step 5: Solve for x
    x = 24,027,811.02/5,239.62
  6. Step 6: Final answer
    x = 4,585.79

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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.