Home / 2,696.27-3,720.65-1,517.11

Finding the Fourth Proportional to 2,696.27, 3,720.65 and 1,517.11

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Solution

The fourth proportional to 2,696.27, 3,720.65 and 1,517.11 is: 2,093.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.27 : 3,720.65 = 1,517.11 : x
  2. Step 2: Convert to fraction form
    2,696.27/3,720.65 = 1,517.11/x
  3. Step 3: Cross multiply
    2,696.27x = 3,720.65 × 1,517.11
  4. Step 4: Simplify right side
    2,696.27x = 5,644,618.43
  5. Step 5: Solve for x
    x = 5,644,618.43/2,696.27
  6. Step 6: Final answer
    x = 2,093.50

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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.