Home / 4,081.66-6,121.78-1,742.99

Finding the Fourth Proportional to 4,081.66, 6,121.78 and 1,742.99

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Solution

The fourth proportional to 4,081.66, 6,121.78 and 1,742.99 is: 2,614.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.66 : 6,121.78 = 1,742.99 : x
  2. Step 2: Convert to fraction form
    4,081.66/6,121.78 = 1,742.99/x
  3. Step 3: Cross multiply
    4,081.66x = 6,121.78 × 1,742.99
  4. Step 4: Simplify right side
    4,081.66x = 10,670,166.36
  5. Step 5: Solve for x
    x = 10,670,166.36/4,081.66
  6. Step 6: Final answer
    x = 2,614.17

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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.