Home / 4,112.77-6,170.17-1,191.04

Finding the Fourth Proportional to 4,112.77, 6,170.17 and 1,191.04

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Solution

The fourth proportional to 4,112.77, 6,170.17 and 1,191.04 is: 1,786.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.77 : 6,170.17 = 1,191.04 : x
  2. Step 2: Convert to fraction form
    4,112.77/6,170.17 = 1,191.04/x
  3. Step 3: Cross multiply
    4,112.77x = 6,170.17 × 1,191.04
  4. Step 4: Simplify right side
    4,112.77x = 7,348,888.43
  5. Step 5: Solve for x
    x = 7,348,888.43/4,112.77
  6. Step 6: Final answer
    x = 1,786.85

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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.