Home / 5,219.24-7,202.49-2,861.33

Finding the Fourth Proportional to 5,219.24, 7,202.49 and 2,861.33

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Solution

The fourth proportional to 5,219.24, 7,202.49 and 2,861.33 is: 3,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.24 : 7,202.49 = 2,861.33 : x
  2. Step 2: Convert to fraction form
    5,219.24/7,202.49 = 2,861.33/x
  3. Step 3: Cross multiply
    5,219.24x = 7,202.49 × 2,861.33
  4. Step 4: Simplify right side
    5,219.24x = 20,608,664.70
  5. Step 5: Solve for x
    x = 20,608,664.70/5,219.24
  6. Step 6: Final answer
    x = 3,948.60

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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.