Home / 2,613.15-3,919.73-1,227.44

Finding the Fourth Proportional to 2,613.15, 3,919.73 and 1,227.44

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Solution

The fourth proportional to 2,613.15, 3,919.73 and 1,227.44 is: 1,841.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613.15 : 3,919.73 = 1,227.44 : x
  2. Step 2: Convert to fraction form
    2,613.15/3,919.73 = 1,227.44/x
  3. Step 3: Cross multiply
    2,613.15x = 3,919.73 × 1,227.44
  4. Step 4: Simplify right side
    2,613.15x = 4,811,237.05
  5. Step 5: Solve for x
    x = 4,811,237.05/2,613.15
  6. Step 6: Final answer
    x = 1,841.16

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.