Home / 4,812.88-7,222.19-2,076.88

Finding the Fourth Proportional to 4,812.88, 7,222.19 and 2,076.88

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Solution

The fourth proportional to 4,812.88, 7,222.19 and 2,076.88 is: 3,116.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.88 : 7,222.19 = 2,076.88 : x
  2. Step 2: Convert to fraction form
    4,812.88/7,222.19 = 2,076.88/x
  3. Step 3: Cross multiply
    4,812.88x = 7,222.19 × 2,076.88
  4. Step 4: Simplify right side
    4,812.88x = 14,999,591.05
  5. Step 5: Solve for x
    x = 14,999,591.05/4,812.88
  6. Step 6: Final answer
    x = 3,116.56

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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.