Home / 5,197.53-7,791.50-2,076.78

Finding the Fourth Proportional to 5,197.53, 7,791.50 and 2,076.78

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Solution

The fourth proportional to 5,197.53, 7,791.50 and 2,076.78 is: 3,113.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.53 : 7,791.50 = 2,076.78 : x
  2. Step 2: Convert to fraction form
    5,197.53/7,791.50 = 2,076.78/x
  3. Step 3: Cross multiply
    5,197.53x = 7,791.50 × 2,076.78
  4. Step 4: Simplify right side
    5,197.53x = 16,181,231.37
  5. Step 5: Solve for x
    x = 16,181,231.37/5,197.53
  6. Step 6: Final answer
    x = 3,113.25

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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.