Home / 5,448.53-8,162.25-3,191.61

Finding the Fourth Proportional to 5,448.53, 8,162.25 and 3,191.61

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Solution

The fourth proportional to 5,448.53, 8,162.25 and 3,191.61 is: 4,781.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.53 : 8,162.25 = 3,191.61 : x
  2. Step 2: Convert to fraction form
    5,448.53/8,162.25 = 3,191.61/x
  3. Step 3: Cross multiply
    5,448.53x = 8,162.25 × 3,191.61
  4. Step 4: Simplify right side
    5,448.53x = 26,050,709.40
  5. Step 5: Solve for x
    x = 26,050,709.40/5,448.53
  6. Step 6: Final answer
    x = 4,781.23

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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.