Home / 3,195.27-4,409.52-1,778.99

Finding the Fourth Proportional to 3,195.27, 4,409.52 and 1,778.99

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Solution

The fourth proportional to 3,195.27, 4,409.52 and 1,778.99 is: 2,455.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.27 : 4,409.52 = 1,778.99 : x
  2. Step 2: Convert to fraction form
    3,195.27/4,409.52 = 1,778.99/x
  3. Step 3: Cross multiply
    3,195.27x = 4,409.52 × 1,778.99
  4. Step 4: Simplify right side
    3,195.27x = 7,844,469.94
  5. Step 5: Solve for x
    x = 7,844,469.94/3,195.27
  6. Step 6: Final answer
    x = 2,455.03

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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.