Home / 4,981.75-7,465.62-2,761.61

Finding the Fourth Proportional to 4,981.75, 7,465.62 and 2,761.61

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Solution

The fourth proportional to 4,981.75, 7,465.62 and 2,761.61 is: 4,138.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.75 : 7,465.62 = 2,761.61 : x
  2. Step 2: Convert to fraction form
    4,981.75/7,465.62 = 2,761.61/x
  3. Step 3: Cross multiply
    4,981.75x = 7,465.62 × 2,761.61
  4. Step 4: Simplify right side
    4,981.75x = 20,617,093.52
  5. Step 5: Solve for x
    x = 20,617,093.52/4,981.75
  6. Step 6: Final answer
    x = 4,138.53

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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.