Home / 5,229.25-7,216.31-2,871.34

Finding the Fourth Proportional to 5,229.25, 7,216.31 and 2,871.34

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Solution

The fourth proportional to 5,229.25, 7,216.31 and 2,871.34 is: 3,962.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.25 : 7,216.31 = 2,871.34 : x
  2. Step 2: Convert to fraction form
    5,229.25/7,216.31 = 2,871.34/x
  3. Step 3: Cross multiply
    5,229.25x = 7,216.31 × 2,871.34
  4. Step 4: Simplify right side
    5,229.25x = 20,720,468.69
  5. Step 5: Solve for x
    x = 20,720,468.69/5,229.25
  6. Step 6: Final answer
    x = 3,962.42

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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.