Home / 4,042.48-5,578.84-2,274.16

Finding the Fourth Proportional to 4,042.48, 5,578.84 and 2,274.16

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Solution

The fourth proportional to 4,042.48, 5,578.84 and 2,274.16 is: 3,138.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.48 : 5,578.84 = 2,274.16 : x
  2. Step 2: Convert to fraction form
    4,042.48/5,578.84 = 2,274.16/x
  3. Step 3: Cross multiply
    4,042.48x = 5,578.84 × 2,274.16
  4. Step 4: Simplify right side
    4,042.48x = 12,687,174.77
  5. Step 5: Solve for x
    x = 12,687,174.77/4,042.48
  6. Step 6: Final answer
    x = 3,138.46

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Half scale
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Double scale
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Similar ratio
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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.