Home / 5,165.06-7,742.31-2,040.75

Finding the Fourth Proportional to 5,165.06, 7,742.31 and 2,040.75

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Solution

The fourth proportional to 5,165.06, 7,742.31 and 2,040.75 is: 3,059.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.06 : 7,742.31 = 2,040.75 : x
  2. Step 2: Convert to fraction form
    5,165.06/7,742.31 = 2,040.75/x
  3. Step 3: Cross multiply
    5,165.06x = 7,742.31 × 2,040.75
  4. Step 4: Simplify right side
    5,165.06x = 15,800,119.13
  5. Step 5: Solve for x
    x = 15,800,119.13/5,165.06
  6. Step 6: Final answer
    x = 3,059.04

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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.