Home / 7,231.43-10,853.28-2,851.97

Finding the Fourth Proportional to 7,231.43, 10,853.28 and 2,851.97

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Solution

The fourth proportional to 7,231.43, 10,853.28 and 2,851.97 is: 4,280.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231.43 : 10,853.28 = 2,851.97 : x
  2. Step 2: Convert to fraction form
    7,231.43/10,853.28 = 2,851.97/x
  3. Step 3: Cross multiply
    7,231.43x = 10,853.28 × 2,851.97
  4. Step 4: Simplify right side
    7,231.43x = 30,953,174.70
  5. Step 5: Solve for x
    x = 30,953,174.70/7,231.43
  6. Step 6: Final answer
    x = 4,280.37

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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.