Home / 5,222.82-7,834.20-1,327.53

Finding the Fourth Proportional to 5,222.82, 7,834.20 and 1,327.53

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Solution

The fourth proportional to 5,222.82, 7,834.20 and 1,327.53 is: 1,991.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.82 : 7,834.20 = 1,327.53 : x
  2. Step 2: Convert to fraction form
    5,222.82/7,834.20 = 1,327.53/x
  3. Step 3: Cross multiply
    5,222.82x = 7,834.20 × 1,327.53
  4. Step 4: Simplify right side
    5,222.82x = 10,400,135.53
  5. Step 5: Solve for x
    x = 10,400,135.53/5,222.82
  6. Step 6: Final answer
    x = 1,991.29

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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.