Home / 5,179.11-7,763.53-2,057.28

Finding the Fourth Proportional to 5,179.11, 7,763.53 and 2,057.28

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Solution

The fourth proportional to 5,179.11, 7,763.53 and 2,057.28 is: 3,083.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.11 : 7,763.53 = 2,057.28 : x
  2. Step 2: Convert to fraction form
    5,179.11/7,763.53 = 2,057.28/x
  3. Step 3: Cross multiply
    5,179.11x = 7,763.53 × 2,057.28
  4. Step 4: Simplify right side
    5,179.11x = 15,971,755.00
  5. Step 5: Solve for x
    x = 15,971,755.00/5,179.11
  6. Step 6: Final answer
    x = 3,083.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.