Home / 4,171.35-6,255.18-1,249.11

Finding the Fourth Proportional to 4,171.35, 6,255.18 and 1,249.11

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Solution

The fourth proportional to 4,171.35, 6,255.18 and 1,249.11 is: 1,873.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.35 : 6,255.18 = 1,249.11 : x
  2. Step 2: Convert to fraction form
    4,171.35/6,255.18 = 1,249.11/x
  3. Step 3: Cross multiply
    4,171.35x = 6,255.18 × 1,249.11
  4. Step 4: Simplify right side
    4,171.35x = 7,813,407.89
  5. Step 5: Solve for x
    x = 7,813,407.89/4,171.35
  6. Step 6: Final answer
    x = 1,873.11

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Double scale
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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.