Home / 3,163.83-4,743.45-2,068.80

Finding the Fourth Proportional to 3,163.83, 4,743.45 and 2,068.80

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Solution

The fourth proportional to 3,163.83, 4,743.45 and 2,068.80 is: 3,101.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.83 : 4,743.45 = 2,068.80 : x
  2. Step 2: Convert to fraction form
    3,163.83/4,743.45 = 2,068.80/x
  3. Step 3: Cross multiply
    3,163.83x = 4,743.45 × 2,068.80
  4. Step 4: Simplify right side
    3,163.83x = 9,813,249.36
  5. Step 5: Solve for x
    x = 9,813,249.36/3,163.83
  6. Step 6: Final answer
    x = 3,101.70

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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.