Home / 7,722.75-11,584.82-2,176.14

Finding the Fourth Proportional to 7,722.75, 11,584.82 and 2,176.14

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Solution

The fourth proportional to 7,722.75, 11,584.82 and 2,176.14 is: 3,264.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.75 : 11,584.82 = 2,176.14 : x
  2. Step 2: Convert to fraction form
    7,722.75/11,584.82 = 2,176.14/x
  3. Step 3: Cross multiply
    7,722.75x = 11,584.82 × 2,176.14
  4. Step 4: Simplify right side
    7,722.75x = 25,210,190.19
  5. Step 5: Solve for x
    x = 25,210,190.19/7,722.75
  6. Step 6: Final answer
    x = 3,264.41

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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.