Home / 3,162.12-4,738.77-2,465.61

Finding the Fourth Proportional to 3,162.12, 4,738.77 and 2,465.61

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Solution

The fourth proportional to 3,162.12, 4,738.77 and 2,465.61 is: 3,694.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.12 : 4,738.77 = 2,465.61 : x
  2. Step 2: Convert to fraction form
    3,162.12/4,738.77 = 2,465.61/x
  3. Step 3: Cross multiply
    3,162.12x = 4,738.77 × 2,465.61
  4. Step 4: Simplify right side
    3,162.12x = 11,683,958.70
  5. Step 5: Solve for x
    x = 11,683,958.70/3,162.12
  6. Step 6: Final answer
    x = 3,694.98

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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.