Home / 4,979.97-6,872.49-2,741.99

Finding the Fourth Proportional to 4,979.97, 6,872.49 and 2,741.99

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Solution

The fourth proportional to 4,979.97, 6,872.49 and 2,741.99 is: 3,784.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.97 : 6,872.49 = 2,741.99 : x
  2. Step 2: Convert to fraction form
    4,979.97/6,872.49 = 2,741.99/x
  3. Step 3: Cross multiply
    4,979.97x = 6,872.49 × 2,741.99
  4. Step 4: Simplify right side
    4,979.97x = 18,844,264.49
  5. Step 5: Solve for x
    x = 18,844,264.49/4,979.97
  6. Step 6: Final answer
    x = 3,784.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.