Home / 4,042.67-5,579.15-2,274.39

Finding the Fourth Proportional to 4,042.67, 5,579.15 and 2,274.39

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Solution

The fourth proportional to 4,042.67, 5,579.15 and 2,274.39 is: 3,138.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.67 : 5,579.15 = 2,274.39 : x
  2. Step 2: Convert to fraction form
    4,042.67/5,579.15 = 2,274.39/x
  3. Step 3: Cross multiply
    4,042.67x = 5,579.15 × 2,274.39
  4. Step 4: Simplify right side
    4,042.67x = 12,689,151.60
  5. Step 5: Solve for x
    x = 12,689,151.60/4,042.67
  6. Step 6: Final answer
    x = 3,138.81

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Half 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.