Home / 5,229.27-7,216.41-2,871.41

Finding the Fourth Proportional to 5,229.27, 7,216.41 and 2,871.41

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Solution

The fourth proportional to 5,229.27, 7,216.41 and 2,871.41 is: 3,962.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.27 : 7,216.41 = 2,871.41 : x
  2. Step 2: Convert to fraction form
    5,229.27/7,216.41 = 2,871.41/x
  3. Step 3: Cross multiply
    5,229.27x = 7,216.41 × 2,871.41
  4. Step 4: Simplify right side
    5,229.27x = 20,721,255.54
  5. Step 5: Solve for x
    x = 20,721,255.54/5,229.27
  6. Step 6: Final answer
    x = 3,962.55

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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.