Home / 1,067.26-1,591.67-1,042.42

Finding the Fourth Proportional to 1,067.26, 1,591.67 and 1,042.42

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Solution

The fourth proportional to 1,067.26, 1,591.67 and 1,042.42 is: 1,554.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.26 : 1,591.67 = 1,042.42 : x
  2. Step 2: Convert to fraction form
    1,067.26/1,591.67 = 1,042.42/x
  3. Step 3: Cross multiply
    1,067.26x = 1,591.67 × 1,042.42
  4. Step 4: Simplify right side
    1,067.26x = 1,659,188.64
  5. Step 5: Solve for x
    x = 1,659,188.64/1,067.26
  6. Step 6: Final answer
    x = 1,554.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.