Home / 2,180.42-3,264.40-2,042.48

Finding the Fourth Proportional to 2,180.42, 3,264.40 and 2,042.48

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Solution

The fourth proportional to 2,180.42, 3,264.40 and 2,042.48 is: 3,057.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.42 : 3,264.40 = 2,042.48 : x
  2. Step 2: Convert to fraction form
    2,180.42/3,264.40 = 2,042.48/x
  3. Step 3: Cross multiply
    2,180.42x = 3,264.40 × 2,042.48
  4. Step 4: Simplify right side
    2,180.42x = 6,667,471.71
  5. Step 5: Solve for x
    x = 6,667,471.71/2,180.42
  6. Step 6: Final answer
    x = 3,057.88

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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.