Home / 3,704.13-5,112.11-2,132.19

Finding the Fourth Proportional to 3,704.13, 5,112.11 and 2,132.19

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Solution

The fourth proportional to 3,704.13, 5,112.11 and 2,132.19 is: 2,942.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,704.13 : 5,112.11 = 2,132.19 : x
  2. Step 2: Convert to fraction form
    3,704.13/5,112.11 = 2,132.19/x
  3. Step 3: Cross multiply
    3,704.13x = 5,112.11 × 2,132.19
  4. Step 4: Simplify right side
    3,704.13x = 10,899,995.15
  5. Step 5: Solve for x
    x = 10,899,995.15/3,704.13
  6. Step 6: Final answer
    x = 2,942.66

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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.