Home / 4,042.92-5,579.11-2,274.63

Finding the Fourth Proportional to 4,042.92, 5,579.11 and 2,274.63

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Solution

The fourth proportional to 4,042.92, 5,579.11 and 2,274.63 is: 3,138.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.92 : 5,579.11 = 2,274.63 : x
  2. Step 2: Convert to fraction form
    4,042.92/5,579.11 = 2,274.63/x
  3. Step 3: Cross multiply
    4,042.92x = 5,579.11 × 2,274.63
  4. Step 4: Simplify right side
    4,042.92x = 12,690,392.90
  5. Step 5: Solve for x
    x = 12,690,392.90/4,042.92
  6. Step 6: Final answer
    x = 3,138.91

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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.