Home / 3,067.38-4,233.09-2,172.74

Finding the Fourth Proportional to 3,067.38, 4,233.09 and 2,172.74

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Solution

The fourth proportional to 3,067.38, 4,233.09 and 2,172.74 is: 2,998.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.38 : 4,233.09 = 2,172.74 : x
  2. Step 2: Convert to fraction form
    3,067.38/4,233.09 = 2,172.74/x
  3. Step 3: Cross multiply
    3,067.38x = 4,233.09 × 2,172.74
  4. Step 4: Simplify right side
    3,067.38x = 9,197,382.80
  5. Step 5: Solve for x
    x = 9,197,382.80/3,067.38
  6. Step 6: Final answer
    x = 2,998.45

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1.5x scale

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.