Home / 3,080.46-4,245.38-2,229.44

Finding the Fourth Proportional to 3,080.46, 4,245.38 and 2,229.44

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Solution

The fourth proportional to 3,080.46, 4,245.38 and 2,229.44 is: 3,072.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.46 : 4,245.38 = 2,229.44 : x
  2. Step 2: Convert to fraction form
    3,080.46/4,245.38 = 2,229.44/x
  3. Step 3: Cross multiply
    3,080.46x = 4,245.38 × 2,229.44
  4. Step 4: Simplify right side
    3,080.46x = 9,464,819.99
  5. Step 5: Solve for x
    x = 9,464,819.99/3,080.46
  6. Step 6: Final answer
    x = 3,072.53

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Half scale
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Double 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.