Home / 7,972.52-11,960.38-2,777

Finding the Fourth Proportional to 7,972.52, 11,960.38 and 2,777

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Solution

The fourth proportional to 7,972.52, 11,960.38 and 2,777 is: 4,166.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.52 : 11,960.38 = 2,777 : x
  2. Step 2: Convert to fraction form
    7,972.52/11,960.38 = 2,777/x
  3. Step 3: Cross multiply
    7,972.52x = 11,960.38 × 2,777
  4. Step 4: Simplify right side
    7,972.52x = 33,213,975.26
  5. Step 5: Solve for x
    x = 33,213,975.26/7,972.52
  6. Step 6: Final answer
    x = 4,166.06

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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.