Home / 5,014.78-7,517.85-2,419.54

Finding the Fourth Proportional to 5,014.78, 7,517.85 and 2,419.54

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Solution

The fourth proportional to 5,014.78, 7,517.85 and 2,419.54 is: 3,627.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,014.78 : 7,517.85 = 2,419.54 : x
  2. Step 2: Convert to fraction form
    5,014.78/7,517.85 = 2,419.54/x
  3. Step 3: Cross multiply
    5,014.78x = 7,517.85 × 2,419.54
  4. Step 4: Simplify right side
    5,014.78x = 18,189,738.79
  5. Step 5: Solve for x
    x = 18,189,738.79/5,014.78
  6. Step 6: Final answer
    x = 3,627.23

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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.