Home / 3,191.92-4,405.26-1,794.94

Finding the Fourth Proportional to 3,191.92, 4,405.26 and 1,794.94

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Solution

The fourth proportional to 3,191.92, 4,405.26 and 1,794.94 is: 2,477.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.92 : 4,405.26 = 1,794.94 : x
  2. Step 2: Convert to fraction form
    3,191.92/4,405.26 = 1,794.94/x
  3. Step 3: Cross multiply
    3,191.92x = 4,405.26 × 1,794.94
  4. Step 4: Simplify right side
    3,191.92x = 7,907,177.38
  5. Step 5: Solve for x
    x = 7,907,177.38/3,191.92
  6. Step 6: Final answer
    x = 2,477.25

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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.