Home / 5,081.82-7,591.94-3,218.01

Finding the Fourth Proportional to 5,081.82, 7,591.94 and 3,218.01

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Solution

The fourth proportional to 5,081.82, 7,591.94 and 3,218.01 is: 4,807.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.82 : 7,591.94 = 3,218.01 : x
  2. Step 2: Convert to fraction form
    5,081.82/7,591.94 = 3,218.01/x
  3. Step 3: Cross multiply
    5,081.82x = 7,591.94 × 3,218.01
  4. Step 4: Simplify right side
    5,081.82x = 24,430,922.75
  5. Step 5: Solve for x
    x = 24,430,922.75/5,081.82
  6. Step 6: Final answer
    x = 4,807.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.