Home / 4,581.88-6,872.82-1,119.12

Finding the Fourth Proportional to 4,581.88, 6,872.82 and 1,119.12

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Solution

The fourth proportional to 4,581.88, 6,872.82 and 1,119.12 is: 1,678.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,581.88 : 6,872.82 = 1,119.12 : x
  2. Step 2: Convert to fraction form
    4,581.88/6,872.82 = 1,119.12/x
  3. Step 3: Cross multiply
    4,581.88x = 6,872.82 × 1,119.12
  4. Step 4: Simplify right side
    4,581.88x = 7,691,510.32
  5. Step 5: Solve for x
    x = 7,691,510.32/4,581.88
  6. Step 6: Final answer
    x = 1,678.68

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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.