Home / 5,202.87-7,179.69-3,213.60

Finding the Fourth Proportional to 5,202.87, 7,179.69 and 3,213.60

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Solution

The fourth proportional to 5,202.87, 7,179.69 and 3,213.60 is: 4,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,202.87 : 7,179.69 = 3,213.60 : x
  2. Step 2: Convert to fraction form
    5,202.87/7,179.69 = 3,213.60/x
  3. Step 3: Cross multiply
    5,202.87x = 7,179.69 × 3,213.60
  4. Step 4: Simplify right side
    5,202.87x = 23,072,651.78
  5. Step 5: Solve for x
    x = 23,072,651.78/5,202.87
  6. Step 6: Final answer
    x = 4,434.60

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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.