Home / 4,114.62-5,678.15-2,226.20

Finding the Fourth Proportional to 4,114.62, 5,678.15 and 2,226.20

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Solution

The fourth proportional to 4,114.62, 5,678.15 and 2,226.20 is: 3,072.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,114.62 : 5,678.15 = 2,226.20 : x
  2. Step 2: Convert to fraction form
    4,114.62/5,678.15 = 2,226.20/x
  3. Step 3: Cross multiply
    4,114.62x = 5,678.15 × 2,226.20
  4. Step 4: Simplify right side
    4,114.62x = 12,640,658.01
  5. Step 5: Solve for x
    x = 12,640,658.01/4,114.62
  6. Step 6: Final answer
    x = 3,072.13

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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.