Home / 4,131.38-6,197.16-1,499.42

Finding the Fourth Proportional to 4,131.38, 6,197.16 and 1,499.42

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Solution

The fourth proportional to 4,131.38, 6,197.16 and 1,499.42 is: 2,249.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.38 : 6,197.16 = 1,499.42 : x
  2. Step 2: Convert to fraction form
    4,131.38/6,197.16 = 1,499.42/x
  3. Step 3: Cross multiply
    4,131.38x = 6,197.16 × 1,499.42
  4. Step 4: Simplify right side
    4,131.38x = 9,292,145.65
  5. Step 5: Solve for x
    x = 9,292,145.65/4,131.38
  6. Step 6: Final answer
    x = 2,249.16

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Half scale
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Double scale
Find fourth proportional to 4,132.38, 6,198.66 and 1,500.42
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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.