Home / 3,726.49-5,142.30-2,047.97

Finding the Fourth Proportional to 3,726.49, 5,142.30 and 2,047.97

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Solution

The fourth proportional to 3,726.49, 5,142.30 and 2,047.97 is: 2,826.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.49 : 5,142.30 = 2,047.97 : x
  2. Step 2: Convert to fraction form
    3,726.49/5,142.30 = 2,047.97/x
  3. Step 3: Cross multiply
    3,726.49x = 5,142.30 × 2,047.97
  4. Step 4: Simplify right side
    3,726.49x = 10,531,250.42
  5. Step 5: Solve for x
    x = 10,531,250.42/3,726.49
  6. Step 6: Final answer
    x = 2,826.05

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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.