Home / 4,042.74-5,578.25-2,274.06

Finding the Fourth Proportional to 4,042.74, 5,578.25 and 2,274.06

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Solution

The fourth proportional to 4,042.74, 5,578.25 and 2,274.06 is: 3,137.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.74 : 5,578.25 = 2,274.06 : x
  2. Step 2: Convert to fraction form
    4,042.74/5,578.25 = 2,274.06/x
  3. Step 3: Cross multiply
    4,042.74x = 5,578.25 × 2,274.06
  4. Step 4: Simplify right side
    4,042.74x = 12,685,263.82
  5. Step 5: Solve for x
    x = 12,685,263.82/4,042.74
  6. Step 6: Final answer
    x = 3,137.79

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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.