Home / 4,119.93-6,179.91-1,198.32

Finding the Fourth Proportional to 4,119.93, 6,179.91 and 1,198.32

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Solution

The fourth proportional to 4,119.93, 6,179.91 and 1,198.32 is: 1,797.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.93 : 6,179.91 = 1,198.32 : x
  2. Step 2: Convert to fraction form
    4,119.93/6,179.91 = 1,198.32/x
  3. Step 3: Cross multiply
    4,119.93x = 6,179.91 × 1,198.32
  4. Step 4: Simplify right side
    4,119.93x = 7,405,509.75
  5. Step 5: Solve for x
    x = 7,405,509.75/4,119.93
  6. Step 6: Final answer
    x = 1,797.48

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Similar ratio
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1.5x scale

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.