Home / 2,006.35-2,768.91-1,122.44

Finding the Fourth Proportional to 2,006.35, 2,768.91 and 1,122.44

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Solution

The fourth proportional to 2,006.35, 2,768.91 and 1,122.44 is: 1,549.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.35 : 2,768.91 = 1,122.44 : x
  2. Step 2: Convert to fraction form
    2,006.35/2,768.91 = 1,122.44/x
  3. Step 3: Cross multiply
    2,006.35x = 2,768.91 × 1,122.44
  4. Step 4: Simplify right side
    2,006.35x = 3,107,920.75
  5. Step 5: Solve for x
    x = 3,107,920.75/2,006.35
  6. Step 6: Final answer
    x = 1,549.04

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1.5x scale

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.