Home / 3,541.11-5,314.49-2,081.49

Finding the Fourth Proportional to 3,541.11, 5,314.49 and 2,081.49

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Solution

The fourth proportional to 3,541.11, 5,314.49 and 2,081.49 is: 3,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.11 : 5,314.49 = 2,081.49 : x
  2. Step 2: Convert to fraction form
    3,541.11/5,314.49 = 2,081.49/x
  3. Step 3: Cross multiply
    3,541.11x = 5,314.49 × 2,081.49
  4. Step 4: Simplify right side
    3,541.11x = 11,062,057.79
  5. Step 5: Solve for x
    x = 11,062,057.79/3,541.11
  6. Step 6: Final answer
    x = 3,123.90

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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.