Home / 5,327.80-7,992.66-1,629.96

Finding the Fourth Proportional to 5,327.80, 7,992.66 and 1,629.96

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Solution

The fourth proportional to 5,327.80, 7,992.66 and 1,629.96 is: 2,445.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.80 : 7,992.66 = 1,629.96 : x
  2. Step 2: Convert to fraction form
    5,327.80/7,992.66 = 1,629.96/x
  3. Step 3: Cross multiply
    5,327.80x = 7,992.66 × 1,629.96
  4. Step 4: Simplify right side
    5,327.80x = 13,027,716.09
  5. Step 5: Solve for x
    x = 13,027,716.09/5,327.80
  6. Step 6: Final answer
    x = 2,445.23

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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.