Home / 2,428.03-3,351.11-1,433.24

Finding the Fourth Proportional to 2,428.03, 3,351.11 and 1,433.24

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Solution

The fourth proportional to 2,428.03, 3,351.11 and 1,433.24 is: 1,978.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.03 : 3,351.11 = 1,433.24 : x
  2. Step 2: Convert to fraction form
    2,428.03/3,351.11 = 1,433.24/x
  3. Step 3: Cross multiply
    2,428.03x = 3,351.11 × 1,433.24
  4. Step 4: Simplify right side
    2,428.03x = 4,802,944.90
  5. Step 5: Solve for x
    x = 4,802,944.90/2,428.03
  6. Step 6: Final answer
    x = 1,978.12

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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.