Home / 5,200.11-7,175.97-2,842.20

Finding the Fourth Proportional to 5,200.11, 7,175.97 and 2,842.20

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Solution

The fourth proportional to 5,200.11, 7,175.97 and 2,842.20 is: 3,922.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.11 : 7,175.97 = 2,842.20 : x
  2. Step 2: Convert to fraction form
    5,200.11/7,175.97 = 2,842.20/x
  3. Step 3: Cross multiply
    5,200.11x = 7,175.97 × 2,842.20
  4. Step 4: Simplify right side
    5,200.11x = 20,395,541.93
  5. Step 5: Solve for x
    x = 20,395,541.93/5,200.11
  6. Step 6: Final answer
    x = 3,922.14

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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.