Home / 4,101.12-6,151.69-1,179.43

Finding the Fourth Proportional to 4,101.12, 6,151.69 and 1,179.43

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Solution

The fourth proportional to 4,101.12, 6,151.69 and 1,179.43 is: 1,769.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.12 : 6,151.69 = 1,179.43 : x
  2. Step 2: Convert to fraction form
    4,101.12/6,151.69 = 1,179.43/x
  3. Step 3: Cross multiply
    4,101.12x = 6,151.69 × 1,179.43
  4. Step 4: Simplify right side
    4,101.12x = 7,255,469.41
  5. Step 5: Solve for x
    x = 7,255,469.41/4,101.12
  6. Step 6: Final answer
    x = 1,769.14

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Double scale
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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.