Home / 2,040.78-3,061.26-1,067.16

Finding the Fourth Proportional to 2,040.78, 3,061.26 and 1,067.16

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Solution

The fourth proportional to 2,040.78, 3,061.26 and 1,067.16 is: 1,600.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.78 : 3,061.26 = 1,067.16 : x
  2. Step 2: Convert to fraction form
    2,040.78/3,061.26 = 1,067.16/x
  3. Step 3: Cross multiply
    2,040.78x = 3,061.26 × 1,067.16
  4. Step 4: Simplify right side
    2,040.78x = 3,266,854.22
  5. Step 5: Solve for x
    x = 3,266,854.22/2,040.78
  6. Step 6: Final answer
    x = 1,600.79

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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.