Home / 4,989.96-7,469.15-2,792.03

Finding the Fourth Proportional to 4,989.96, 7,469.15 and 2,792.03

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Solution

The fourth proportional to 4,989.96, 7,469.15 and 2,792.03 is: 4,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.96 : 7,469.15 = 2,792.03 : x
  2. Step 2: Convert to fraction form
    4,989.96/7,469.15 = 2,792.03/x
  3. Step 3: Cross multiply
    4,989.96x = 7,469.15 × 2,792.03
  4. Step 4: Simplify right side
    4,989.96x = 20,854,039.57
  5. Step 5: Solve for x
    x = 20,854,039.57/4,989.96
  6. Step 6: Final answer
    x = 4,179.20

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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.