Home / 5,691.65-7,854.51-3,173.93

Finding the Fourth Proportional to 5,691.65, 7,854.51 and 3,173.93

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Solution

The fourth proportional to 5,691.65, 7,854.51 and 3,173.93 is: 4,380.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.65 : 7,854.51 = 3,173.93 : x
  2. Step 2: Convert to fraction form
    5,691.65/7,854.51 = 3,173.93/x
  3. Step 3: Cross multiply
    5,691.65x = 7,854.51 × 3,173.93
  4. Step 4: Simplify right side
    5,691.65x = 24,929,625.65
  5. Step 5: Solve for x
    x = 24,929,625.65/5,691.65
  6. Step 6: Final answer
    x = 4,380.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.