Home / 2,397.29-3,579.12-2,028.34

Finding the Fourth Proportional to 2,397.29, 3,579.12 and 2,028.34

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Solution

The fourth proportional to 2,397.29, 3,579.12 and 2,028.34 is: 3,028.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,397.29 : 3,579.12 = 2,028.34 : x
  2. Step 2: Convert to fraction form
    2,397.29/3,579.12 = 2,028.34/x
  3. Step 3: Cross multiply
    2,397.29x = 3,579.12 × 2,028.34
  4. Step 4: Simplify right side
    2,397.29x = 7,259,668.38
  5. Step 5: Solve for x
    x = 7,259,668.38/2,397.29
  6. Step 6: Final answer
    x = 3,028.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.