Home / 7,722.53-11,584.22-2,175.45

Finding the Fourth Proportional to 7,722.53, 11,584.22 and 2,175.45

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Solution

The fourth proportional to 7,722.53, 11,584.22 and 2,175.45 is: 3,263.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.53 : 11,584.22 = 2,175.45 : x
  2. Step 2: Convert to fraction form
    7,722.53/11,584.22 = 2,175.45/x
  3. Step 3: Cross multiply
    7,722.53x = 11,584.22 × 2,175.45
  4. Step 4: Simplify right side
    7,722.53x = 25,200,891.40
  5. Step 5: Solve for x
    x = 25,200,891.40/7,722.53
  6. Step 6: Final answer
    x = 3,263.29

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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.