Home / 7,919.44-11,878.70-2,076.04

Finding the Fourth Proportional to 7,919.44, 11,878.70 and 2,076.04

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Solution

The fourth proportional to 7,919.44, 11,878.70 and 2,076.04 is: 3,113.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.44 : 11,878.70 = 2,076.04 : x
  2. Step 2: Convert to fraction form
    7,919.44/11,878.70 = 2,076.04/x
  3. Step 3: Cross multiply
    7,919.44x = 11,878.70 × 2,076.04
  4. Step 4: Simplify right side
    7,919.44x = 24,660,660.82
  5. Step 5: Solve for x
    x = 24,660,660.82/7,919.44
  6. Step 6: Final answer
    x = 3,113.94

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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.