Home / 5,219.52-7,202.98-2,861.68

Finding the Fourth Proportional to 5,219.52, 7,202.98 and 2,861.68

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Solution

The fourth proportional to 5,219.52, 7,202.98 and 2,861.68 is: 3,949.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.52 : 7,202.98 = 2,861.68 : x
  2. Step 2: Convert to fraction form
    5,219.52/7,202.98 = 2,861.68/x
  3. Step 3: Cross multiply
    5,219.52x = 7,202.98 × 2,861.68
  4. Step 4: Simplify right side
    5,219.52x = 20,612,623.81
  5. Step 5: Solve for x
    x = 20,612,623.81/5,219.52
  6. Step 6: Final answer
    x = 3,949.14

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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.