Home / 5,276.27-7,910.40-3,195.77

Finding the Fourth Proportional to 5,276.27, 7,910.40 and 3,195.77

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Solution

The fourth proportional to 5,276.27, 7,910.40 and 3,195.77 is: 4,791.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.27 : 7,910.40 = 3,195.77 : x
  2. Step 2: Convert to fraction form
    5,276.27/7,910.40 = 3,195.77/x
  3. Step 3: Cross multiply
    5,276.27x = 7,910.40 × 3,195.77
  4. Step 4: Simplify right side
    5,276.27x = 25,279,779.46
  5. Step 5: Solve for x
    x = 25,279,779.46/5,276.27
  6. Step 6: Final answer
    x = 4,791.23

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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.