Home / 7,231.24-9,979.30-4,044.43

Finding the Fourth Proportional to 7,231.24, 9,979.30 and 4,044.43

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Solution

The fourth proportional to 7,231.24, 9,979.30 and 4,044.43 is: 5,581.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231.24 : 9,979.30 = 4,044.43 : x
  2. Step 2: Convert to fraction form
    7,231.24/9,979.30 = 4,044.43/x
  3. Step 3: Cross multiply
    7,231.24x = 9,979.30 × 4,044.43
  4. Step 4: Simplify right side
    7,231.24x = 40,360,597.83
  5. Step 5: Solve for x
    x = 40,360,597.83/7,231.24
  6. Step 6: Final answer
    x = 5,581.42

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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.