Home / 5,110.55-7,052.62-2,872.29

Finding the Fourth Proportional to 5,110.55, 7,052.62 and 2,872.29

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Solution

The fourth proportional to 5,110.55, 7,052.62 and 2,872.29 is: 3,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.55 : 7,052.62 = 2,872.29 : x
  2. Step 2: Convert to fraction form
    5,110.55/7,052.62 = 2,872.29/x
  3. Step 3: Cross multiply
    5,110.55x = 7,052.62 × 2,872.29
  4. Step 4: Simplify right side
    5,110.55x = 20,257,162.72
  5. Step 5: Solve for x
    x = 20,257,162.72/5,110.55
  6. Step 6: Final answer
    x = 3,963.80

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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.