Home / 7,822.84-11,731.82-2,627.52

Finding the Fourth Proportional to 7,822.84, 11,731.82 and 2,627.52

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Solution

The fourth proportional to 7,822.84, 11,731.82 and 2,627.52 is: 3,940.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.84 : 11,731.82 = 2,627.52 : x
  2. Step 2: Convert to fraction form
    7,822.84/11,731.82 = 2,627.52/x
  3. Step 3: Cross multiply
    7,822.84x = 11,731.82 × 2,627.52
  4. Step 4: Simplify right side
    7,822.84x = 30,825,591.69
  5. Step 5: Solve for x
    x = 30,825,591.69/7,822.84
  6. Step 6: Final answer
    x = 3,940.46

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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.