Home / 2,082.96-3,126.34-1,109.88

Finding the Fourth Proportional to 2,082.96, 3,126.34 and 1,109.88

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Solution

The fourth proportional to 2,082.96, 3,126.34 and 1,109.88 is: 1,665.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082.96 : 3,126.34 = 1,109.88 : x
  2. Step 2: Convert to fraction form
    2,082.96/3,126.34 = 1,109.88/x
  3. Step 3: Cross multiply
    2,082.96x = 3,126.34 × 1,109.88
  4. Step 4: Simplify right side
    2,082.96x = 3,469,862.24
  5. Step 5: Solve for x
    x = 3,469,862.24/2,082.96
  6. Step 6: Final answer
    x = 1,665.83

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