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Finding the Fourth Proportional to 3,774.57, 5,209.04 and 2,282.19

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Solution

The fourth proportional to 3,774.57, 5,209.04 and 2,282.19 is: 3,149.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774.57 : 5,209.04 = 2,282.19 : x
  2. Step 2: Convert to fraction form
    3,774.57/5,209.04 = 2,282.19/x
  3. Step 3: Cross multiply
    3,774.57x = 5,209.04 × 2,282.19
  4. Step 4: Simplify right side
    3,774.57x = 11,888,007.59
  5. Step 5: Solve for x
    x = 11,888,007.59/3,774.57
  6. Step 6: Final answer
    x = 3,149.50

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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.