Home / 7,422.73-11,135.31-3,525.82

Finding the Fourth Proportional to 7,422.73, 11,135.31 and 3,525.82

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Solution

The fourth proportional to 7,422.73, 11,135.31 and 3,525.82 is: 5,289.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.73 : 11,135.31 = 3,525.82 : x
  2. Step 2: Convert to fraction form
    7,422.73/11,135.31 = 3,525.82/x
  3. Step 3: Cross multiply
    7,422.73x = 11,135.31 × 3,525.82
  4. Step 4: Simplify right side
    7,422.73x = 39,261,070.87
  5. Step 5: Solve for x
    x = 39,261,070.87/7,422.73
  6. Step 6: Final answer
    x = 5,289.31

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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.