Home / 7,922.41-11,884.25-2,079

Finding the Fourth Proportional to 7,922.41, 11,884.25 and 2,079

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Solution

The fourth proportional to 7,922.41, 11,884.25 and 2,079 is: 3,118.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.41 : 11,884.25 = 2,079 : x
  2. Step 2: Convert to fraction form
    7,922.41/11,884.25 = 2,079/x
  3. Step 3: Cross multiply
    7,922.41x = 11,884.25 × 2,079
  4. Step 4: Simplify right side
    7,922.41x = 24,707,360.95
  5. Step 5: Solve for x
    x = 24,707,360.95/7,922.41
  6. Step 6: Final answer
    x = 3,118.67

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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.