Home / 7,722.88-11,584.42-2,528.75

Finding the Fourth Proportional to 7,722.88, 11,584.42 and 2,528.75

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Solution

The fourth proportional to 7,722.88, 11,584.42 and 2,528.75 is: 3,793.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.88 : 11,584.42 = 2,528.75 : x
  2. Step 2: Convert to fraction form
    7,722.88/11,584.42 = 2,528.75/x
  3. Step 3: Cross multiply
    7,722.88x = 11,584.42 × 2,528.75
  4. Step 4: Simplify right side
    7,722.88x = 29,294,089.43
  5. Step 5: Solve for x
    x = 29,294,089.43/7,722.88
  6. Step 6: Final answer
    x = 3,793.16

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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.