Home / 4,042.75-5,579.09-2,471.71

Finding the Fourth Proportional to 4,042.75, 5,579.09 and 2,471.71

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Solution

The fourth proportional to 4,042.75, 5,579.09 and 2,471.71 is: 3,411.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.75 : 5,579.09 = 2,471.71 : x
  2. Step 2: Convert to fraction form
    4,042.75/5,579.09 = 2,471.71/x
  3. Step 3: Cross multiply
    4,042.75x = 5,579.09 × 2,471.71
  4. Step 4: Simplify right side
    4,042.75x = 13,789,892.54
  5. Step 5: Solve for x
    x = 13,789,892.54/4,042.75
  6. Step 6: Final answer
    x = 3,411.02

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Find fourth proportional to 2,021.38, 2,789.55 and 1,235.86
Half scale
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Double scale
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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.