Home / 2,832.72-4,249.08-1,191.11

Finding the Fourth Proportional to 2,832.72, 4,249.08 and 1,191.11

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Solution

The fourth proportional to 2,832.72, 4,249.08 and 1,191.11 is: 1,786.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.72 : 4,249.08 = 1,191.11 : x
  2. Step 2: Convert to fraction form
    2,832.72/4,249.08 = 1,191.11/x
  3. Step 3: Cross multiply
    2,832.72x = 4,249.08 × 1,191.11
  4. Step 4: Simplify right side
    2,832.72x = 5,061,100.43
  5. Step 5: Solve for x
    x = 5,061,100.43/2,832.72
  6. Step 6: Final answer
    x = 1,786.66

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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.