Home / 3,519.33-5,278.16-1,179.42

Finding the Fourth Proportional to 3,519.33, 5,278.16 and 1,179.42

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Solution

The fourth proportional to 3,519.33, 5,278.16 and 1,179.42 is: 1,768.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.33 : 5,278.16 = 1,179.42 : x
  2. Step 2: Convert to fraction form
    3,519.33/5,278.16 = 1,179.42/x
  3. Step 3: Cross multiply
    3,519.33x = 5,278.16 × 1,179.42
  4. Step 4: Simplify right side
    3,519.33x = 6,225,170.42
  5. Step 5: Solve for x
    x = 6,225,170.42/3,519.33
  6. Step 6: Final answer
    x = 1,768.85

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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.