Home / 5,148.75-7,717.83-2,027.49

Finding the Fourth Proportional to 5,148.75, 7,717.83 and 2,027.49

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Solution

The fourth proportional to 5,148.75, 7,717.83 and 2,027.49 is: 3,039.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.75 : 7,717.83 = 2,027.49 : x
  2. Step 2: Convert to fraction form
    5,148.75/7,717.83 = 2,027.49/x
  3. Step 3: Cross multiply
    5,148.75x = 7,717.83 × 2,027.49
  4. Step 4: Simplify right side
    5,148.75x = 15,647,823.15
  5. Step 5: Solve for x
    x = 15,647,823.15/5,148.75
  6. Step 6: Final answer
    x = 3,039.15

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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.