Home / 5,186.54-7,773.32-4,086.56

Finding the Fourth Proportional to 5,186.54, 7,773.32 and 4,086.56

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Solution

The fourth proportional to 5,186.54, 7,773.32 and 4,086.56 is: 6,124.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.54 : 7,773.32 = 4,086.56 : x
  2. Step 2: Convert to fraction form
    5,186.54/7,773.32 = 4,086.56/x
  3. Step 3: Cross multiply
    5,186.54x = 7,773.32 × 4,086.56
  4. Step 4: Simplify right side
    5,186.54x = 31,766,138.58
  5. Step 5: Solve for x
    x = 31,766,138.58/5,186.54
  6. Step 6: Final answer
    x = 6,124.73

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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.