Home / 4,042.28-5,578.40-2,449.04

Finding the Fourth Proportional to 4,042.28, 5,578.40 and 2,449.04

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Solution

The fourth proportional to 4,042.28, 5,578.40 and 2,449.04 is: 3,379.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.28 : 5,578.40 = 2,449.04 : x
  2. Step 2: Convert to fraction form
    4,042.28/5,578.40 = 2,449.04/x
  3. Step 3: Cross multiply
    4,042.28x = 5,578.40 × 2,449.04
  4. Step 4: Simplify right side
    4,042.28x = 13,661,724.74
  5. Step 5: Solve for x
    x = 13,661,724.74/4,042.28
  6. Step 6: Final answer
    x = 3,379.71

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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.