Home / 7,261.20-10,890.54-2,067.48

Finding the Fourth Proportional to 7,261.20, 10,890.54 and 2,067.48

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Solution

The fourth proportional to 7,261.20, 10,890.54 and 2,067.48 is: 3,100.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.20 : 10,890.54 = 2,067.48 : x
  2. Step 2: Convert to fraction form
    7,261.20/10,890.54 = 2,067.48/x
  3. Step 3: Cross multiply
    7,261.20x = 10,890.54 × 2,067.48
  4. Step 4: Simplify right side
    7,261.20x = 22,515,973.64
  5. Step 5: Solve for x
    x = 22,515,973.64/7,261.20
  6. Step 6: Final answer
    x = 3,100.86

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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.