Home / 7,722.25-11,575.42-3,040.36

Finding the Fourth Proportional to 7,722.25, 11,575.42 and 3,040.36

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Solution

The fourth proportional to 7,722.25, 11,575.42 and 3,040.36 is: 4,557.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.25 : 11,575.42 = 3,040.36 : x
  2. Step 2: Convert to fraction form
    7,722.25/11,575.42 = 3,040.36/x
  3. Step 3: Cross multiply
    7,722.25x = 11,575.42 × 3,040.36
  4. Step 4: Simplify right side
    7,722.25x = 35,193,443.95
  5. Step 5: Solve for x
    x = 35,193,443.95/7,722.25
  6. Step 6: Final answer
    x = 4,557.41

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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.