Home / 5,851.38-8,080.32-3,759.12

Finding the Fourth Proportional to 5,851.38, 8,080.32 and 3,759.12

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Solution

The fourth proportional to 5,851.38, 8,080.32 and 3,759.12 is: 5,191.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,851.38 : 8,080.32 = 3,759.12 : x
  2. Step 2: Convert to fraction form
    5,851.38/8,080.32 = 3,759.12/x
  3. Step 3: Cross multiply
    5,851.38x = 8,080.32 × 3,759.12
  4. Step 4: Simplify right side
    5,851.38x = 30,374,892.52
  5. Step 5: Solve for x
    x = 30,374,892.52/5,851.38
  6. Step 6: Final answer
    x = 5,191.06

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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.