Home / 5,186.94-7,777.28-2,067.43

Finding the Fourth Proportional to 5,186.94, 7,777.28 and 2,067.43

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Solution

The fourth proportional to 5,186.94, 7,777.28 and 2,067.43 is: 3,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.94 : 7,777.28 = 2,067.43 : x
  2. Step 2: Convert to fraction form
    5,186.94/7,777.28 = 2,067.43/x
  3. Step 3: Cross multiply
    5,186.94x = 7,777.28 × 2,067.43
  4. Step 4: Simplify right side
    5,186.94x = 16,078,981.99
  5. Step 5: Solve for x
    x = 16,078,981.99/5,186.94
  6. Step 6: Final answer
    x = 3,099.90

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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.