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Finding the Fourth Proportional to 3,684.24, 5,084.04 and 2,028.24

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Solution

The fourth proportional to 3,684.24, 5,084.04 and 2,028.24 is: 2,798.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.24 : 5,084.04 = 2,028.24 : x
  2. Step 2: Convert to fraction form
    3,684.24/5,084.04 = 2,028.24/x
  3. Step 3: Cross multiply
    3,684.24x = 5,084.04 × 2,028.24
  4. Step 4: Simplify right side
    3,684.24x = 10,311,653.29
  5. Step 5: Solve for x
    x = 10,311,653.29/3,684.24
  6. Step 6: Final answer
    x = 2,798.85

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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.