Home / 2,754.30-4,131.39-674.27

Finding the Fourth Proportional to 2,754.30, 4,131.39 and 674.27

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Solution

The fourth proportional to 2,754.30, 4,131.39 and 674.27 is: 1,011.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754.30 : 4,131.39 = 674.27 : x
  2. Step 2: Convert to fraction form
    2,754.30/4,131.39 = 674.27/x
  3. Step 3: Cross multiply
    2,754.30x = 4,131.39 × 674.27
  4. Step 4: Simplify right side
    2,754.30x = 2,785,651.68
  5. Step 5: Solve for x
    x = 2,785,651.68/2,754.30
  6. Step 6: Final answer
    x = 1,011.38

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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.