Home / 4,581.75-6,872.67-1,119

Finding the Fourth Proportional to 4,581.75, 6,872.67 and 1,119

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Solution

The fourth proportional to 4,581.75, 6,872.67 and 1,119 is: 1,678.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,581.75 : 6,872.67 = 1,119 : x
  2. Step 2: Convert to fraction form
    4,581.75/6,872.67 = 1,119/x
  3. Step 3: Cross multiply
    4,581.75x = 6,872.67 × 1,119
  4. Step 4: Simplify right side
    4,581.75x = 7,690,517.73
  5. Step 5: Solve for x
    x = 7,690,517.73/4,581.75
  6. Step 6: Final answer
    x = 1,678.51

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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.