Home / 1,351.14-2,021.66-962.04

Finding the Fourth Proportional to 1,351.14, 2,021.66 and 962.04

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Solution

The fourth proportional to 1,351.14, 2,021.66 and 962.04 is: 1,439.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.14 : 2,021.66 = 962.04 : x
  2. Step 2: Convert to fraction form
    1,351.14/2,021.66 = 962.04/x
  3. Step 3: Cross multiply
    1,351.14x = 2,021.66 × 962.04
  4. Step 4: Simplify right side
    1,351.14x = 1,944,912.98
  5. Step 5: Solve for x
    x = 1,944,912.98/1,351.14
  6. Step 6: Final answer
    x = 1,439.46

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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.