Home / 7,851.28-11,773.83-3,170.41

Finding the Fourth Proportional to 7,851.28, 11,773.83 and 3,170.41

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Solution

The fourth proportional to 7,851.28, 11,773.83 and 3,170.41 is: 4,754.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851.28 : 11,773.83 = 3,170.41 : x
  2. Step 2: Convert to fraction form
    7,851.28/11,773.83 = 3,170.41/x
  3. Step 3: Cross multiply
    7,851.28x = 11,773.83 × 3,170.41
  4. Step 4: Simplify right side
    7,851.28x = 37,327,868.37
  5. Step 5: Solve for x
    x = 37,327,868.37/7,851.28
  6. Step 6: Final answer
    x = 4,754.37

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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.