Home / 5,232.74-7,221.23-2,874.88

Finding the Fourth Proportional to 5,232.74, 7,221.23 and 2,874.88

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Solution

The fourth proportional to 5,232.74, 7,221.23 and 2,874.88 is: 3,967.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.74 : 7,221.23 = 2,874.88 : x
  2. Step 2: Convert to fraction form
    5,232.74/7,221.23 = 2,874.88/x
  3. Step 3: Cross multiply
    5,232.74x = 7,221.23 × 2,874.88
  4. Step 4: Simplify right side
    5,232.74x = 20,760,169.70
  5. Step 5: Solve for x
    x = 20,760,169.70/5,232.74
  6. Step 6: Final answer
    x = 3,967.36

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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.