Home / 5,232.12-7,220.10-2,874.21

Finding the Fourth Proportional to 5,232.12, 7,220.10 and 2,874.21

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Solution

The fourth proportional to 5,232.12, 7,220.10 and 2,874.21 is: 3,966.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.12 : 7,220.10 = 2,874.21 : x
  2. Step 2: Convert to fraction form
    5,232.12/7,220.10 = 2,874.21/x
  3. Step 3: Cross multiply
    5,232.12x = 7,220.10 × 2,874.21
  4. Step 4: Simplify right side
    5,232.12x = 20,752,083.62
  5. Step 5: Solve for x
    x = 20,752,083.62/5,232.12
  6. Step 6: Final answer
    x = 3,966.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.