Home / 2,006.22-3,013.65-1,872.30

Finding the Fourth Proportional to 2,006.22, 3,013.65 and 1,872.30

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Solution

The fourth proportional to 2,006.22, 3,013.65 and 1,872.30 is: 2,812.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.22 : 3,013.65 = 1,872.30 : x
  2. Step 2: Convert to fraction form
    2,006.22/3,013.65 = 1,872.30/x
  3. Step 3: Cross multiply
    2,006.22x = 3,013.65 × 1,872.30
  4. Step 4: Simplify right side
    2,006.22x = 5,642,456.90
  5. Step 5: Solve for x
    x = 5,642,456.90/2,006.22
  6. Step 6: Final answer
    x = 2,812.48

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1.5x scale

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.