Home / 2,013.84-3,020.75-1,324.86

Finding the Fourth Proportional to 2,013.84, 3,020.75 and 1,324.86

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Solution

The fourth proportional to 2,013.84, 3,020.75 and 1,324.86 is: 1,987.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.84 : 3,020.75 = 1,324.86 : x
  2. Step 2: Convert to fraction form
    2,013.84/3,020.75 = 1,324.86/x
  3. Step 3: Cross multiply
    2,013.84x = 3,020.75 × 1,324.86
  4. Step 4: Simplify right side
    2,013.84x = 4,002,070.85
  5. Step 5: Solve for x
    x = 4,002,070.85/2,013.84
  6. Step 6: Final answer
    x = 1,987.28

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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.