Home / 4,142.26-5,718.67-2,730.04

Finding the Fourth Proportional to 4,142.26, 5,718.67 and 2,730.04

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Solution

The fourth proportional to 4,142.26, 5,718.67 and 2,730.04 is: 3,769.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.26 : 5,718.67 = 2,730.04 : x
  2. Step 2: Convert to fraction form
    4,142.26/5,718.67 = 2,730.04/x
  3. Step 3: Cross multiply
    4,142.26x = 5,718.67 × 2,730.04
  4. Step 4: Simplify right side
    4,142.26x = 15,612,197.85
  5. Step 5: Solve for x
    x = 15,612,197.85/4,142.26
  6. Step 6: Final answer
    x = 3,769.00

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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.