Home / 3,183.99-4,777.74-1,236.21

Finding the Fourth Proportional to 3,183.99, 4,777.74 and 1,236.21

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Solution

The fourth proportional to 3,183.99, 4,777.74 and 1,236.21 is: 1,855.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.99 : 4,777.74 = 1,236.21 : x
  2. Step 2: Convert to fraction form
    3,183.99/4,777.74 = 1,236.21/x
  3. Step 3: Cross multiply
    3,183.99x = 4,777.74 × 1,236.21
  4. Step 4: Simplify right side
    3,183.99x = 5,906,289.97
  5. Step 5: Solve for x
    x = 5,906,289.97/3,183.99
  6. Step 6: Final answer
    x = 1,855.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.