Home / 5,195.87-7,796.88-1,911.27

Finding the Fourth Proportional to 5,195.87, 7,796.88 and 1,911.27

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Solution

The fourth proportional to 5,195.87, 7,796.88 and 1,911.27 is: 2,868.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.87 : 7,796.88 = 1,911.27 : x
  2. Step 2: Convert to fraction form
    5,195.87/7,796.88 = 1,911.27/x
  3. Step 3: Cross multiply
    5,195.87x = 7,796.88 × 1,911.27
  4. Step 4: Simplify right side
    5,195.87x = 14,901,906.43
  5. Step 5: Solve for x
    x = 14,901,906.43/5,195.87
  6. Step 6: Final answer
    x = 2,868.03

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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.