Home / 5,143.62-7,716.33-2,222.04

Finding the Fourth Proportional to 5,143.62, 7,716.33 and 2,222.04

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Solution

The fourth proportional to 5,143.62, 7,716.33 and 2,222.04 is: 3,333.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.62 : 7,716.33 = 2,222.04 : x
  2. Step 2: Convert to fraction form
    5,143.62/7,716.33 = 2,222.04/x
  3. Step 3: Cross multiply
    5,143.62x = 7,716.33 × 2,222.04
  4. Step 4: Simplify right side
    5,143.62x = 17,145,993.91
  5. Step 5: Solve for x
    x = 17,145,993.91/5,143.62
  6. Step 6: Final answer
    x = 3,333.45

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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.