Home / 7,922.94-11,883.48-2,080.02

Finding the Fourth Proportional to 7,922.94, 11,883.48 and 2,080.02

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Solution

The fourth proportional to 7,922.94, 11,883.48 and 2,080.02 is: 3,119.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.94 : 11,883.48 = 2,080.02 : x
  2. Step 2: Convert to fraction form
    7,922.94/11,883.48 = 2,080.02/x
  3. Step 3: Cross multiply
    7,922.94x = 11,883.48 × 2,080.02
  4. Step 4: Simplify right side
    7,922.94x = 24,717,876.07
  5. Step 5: Solve for x
    x = 24,717,876.07/7,922.94
  6. Step 6: Final answer
    x = 3,119.79

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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.