Home / 2,696.28-4,042.08-1,398.48

Finding the Fourth Proportional to 2,696.28, 4,042.08 and 1,398.48

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Solution

The fourth proportional to 2,696.28, 4,042.08 and 1,398.48 is: 2,096.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.28 : 4,042.08 = 1,398.48 : x
  2. Step 2: Convert to fraction form
    2,696.28/4,042.08 = 1,398.48/x
  3. Step 3: Cross multiply
    2,696.28x = 4,042.08 × 1,398.48
  4. Step 4: Simplify right side
    2,696.28x = 5,652,768.04
  5. Step 5: Solve for x
    x = 5,652,768.04/2,696.28
  6. Step 6: Final answer
    x = 2,096.51

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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.