Home / 2,731.74-3,769.95-2,067.42

Finding the Fourth Proportional to 2,731.74, 3,769.95 and 2,067.42

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Solution

The fourth proportional to 2,731.74, 3,769.95 and 2,067.42 is: 2,853.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.74 : 3,769.95 = 2,067.42 : x
  2. Step 2: Convert to fraction form
    2,731.74/3,769.95 = 2,067.42/x
  3. Step 3: Cross multiply
    2,731.74x = 3,769.95 × 2,067.42
  4. Step 4: Simplify right side
    2,731.74x = 7,794,070.03
  5. Step 5: Solve for x
    x = 7,794,070.03/2,731.74
  6. Step 6: Final answer
    x = 2,853.15

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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.