Home / 3,116.57-4,301.03-2,067.89

Finding the Fourth Proportional to 3,116.57, 4,301.03 and 2,067.89

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Solution

The fourth proportional to 3,116.57, 4,301.03 and 2,067.89 is: 2,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.57 : 4,301.03 = 2,067.89 : x
  2. Step 2: Convert to fraction form
    3,116.57/4,301.03 = 2,067.89/x
  3. Step 3: Cross multiply
    3,116.57x = 4,301.03 × 2,067.89
  4. Step 4: Simplify right side
    3,116.57x = 8,894,040.59
  5. Step 5: Solve for x
    x = 8,894,040.59/3,116.57
  6. Step 6: Final answer
    x = 2,853.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.