Home / 5,072.64-7,589.82-2,993.78

Finding the Fourth Proportional to 5,072.64, 7,589.82 and 2,993.78

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Solution

The fourth proportional to 5,072.64, 7,589.82 and 2,993.78 is: 4,479.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.64 : 7,589.82 = 2,993.78 : x
  2. Step 2: Convert to fraction form
    5,072.64/7,589.82 = 2,993.78/x
  3. Step 3: Cross multiply
    5,072.64x = 7,589.82 × 2,993.78
  4. Step 4: Simplify right side
    5,072.64x = 22,722,213.37
  5. Step 5: Solve for x
    x = 22,722,213.37/5,072.64
  6. Step 6: Final answer
    x = 4,479.37

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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.