Home / 4,119.71-6,179.91-1,198.01

Finding the Fourth Proportional to 4,119.71, 6,179.91 and 1,198.01

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Solution

The fourth proportional to 4,119.71, 6,179.91 and 1,198.01 is: 1,797.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.71 : 6,179.91 = 1,198.01 : x
  2. Step 2: Convert to fraction form
    4,119.71/6,179.91 = 1,198.01/x
  3. Step 3: Cross multiply
    4,119.71x = 6,179.91 × 1,198.01
  4. Step 4: Simplify right side
    4,119.71x = 7,403,593.98
  5. Step 5: Solve for x
    x = 7,403,593.98/4,119.71
  6. Step 6: Final answer
    x = 1,797.12

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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.