Home / 4,081.68-6,119.30-1,742.07

Finding the Fourth Proportional to 4,081.68, 6,119.30 and 1,742.07

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Solution

The fourth proportional to 4,081.68, 6,119.30 and 1,742.07 is: 2,611.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.68 : 6,119.30 = 1,742.07 : x
  2. Step 2: Convert to fraction form
    4,081.68/6,119.30 = 1,742.07/x
  3. Step 3: Cross multiply
    4,081.68x = 6,119.30 × 1,742.07
  4. Step 4: Simplify right side
    4,081.68x = 10,660,240.24
  5. Step 5: Solve for x
    x = 10,660,240.24/4,081.68
  6. Step 6: Final answer
    x = 2,611.73

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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.