Home / 5,232.20-7,220.48-2,874.42

Finding the Fourth Proportional to 5,232.20, 7,220.48 and 2,874.42

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Solution

The fourth proportional to 5,232.20, 7,220.48 and 2,874.42 is: 3,966.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.20 : 7,220.48 = 2,874.42 : x
  2. Step 2: Convert to fraction form
    5,232.20/7,220.48 = 2,874.42/x
  3. Step 3: Cross multiply
    5,232.20x = 7,220.48 × 2,874.42
  4. Step 4: Simplify right side
    5,232.20x = 20,754,677.75
  5. Step 5: Solve for x
    x = 20,754,677.75/5,232.20
  6. Step 6: Final answer
    x = 3,966.72

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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.