Home / 3,030.38-4,181.97-2,272.83

Finding the Fourth Proportional to 3,030.38, 4,181.97 and 2,272.83

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Solution

The fourth proportional to 3,030.38, 4,181.97 and 2,272.83 is: 3,136.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.38 : 4,181.97 = 2,272.83 : x
  2. Step 2: Convert to fraction form
    3,030.38/4,181.97 = 2,272.83/x
  3. Step 3: Cross multiply
    3,030.38x = 4,181.97 × 2,272.83
  4. Step 4: Simplify right side
    3,030.38x = 9,504,906.88
  5. Step 5: Solve for x
    x = 9,504,906.88/3,030.38
  6. Step 6: Final answer
    x = 3,136.54

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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.