Home / 5,481.15-8,222.52-1,731.66

Finding the Fourth Proportional to 5,481.15, 8,222.52 and 1,731.66

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Solution

The fourth proportional to 5,481.15, 8,222.52 and 1,731.66 is: 2,597.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.15 : 8,222.52 = 1,731.66 : x
  2. Step 2: Convert to fraction form
    5,481.15/8,222.52 = 1,731.66/x
  3. Step 3: Cross multiply
    5,481.15x = 8,222.52 × 1,731.66
  4. Step 4: Simplify right side
    5,481.15x = 14,238,646.31
  5. Step 5: Solve for x
    x = 14,238,646.31/5,481.15
  6. Step 6: Final answer
    x = 2,597.75

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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.