Home / 3,106.94-4,286.52-2,110.48

Finding the Fourth Proportional to 3,106.94, 4,286.52 and 2,110.48

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Solution

The fourth proportional to 3,106.94, 4,286.52 and 2,110.48 is: 2,911.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.94 : 4,286.52 = 2,110.48 : x
  2. Step 2: Convert to fraction form
    3,106.94/4,286.52 = 2,110.48/x
  3. Step 3: Cross multiply
    3,106.94x = 4,286.52 × 2,110.48
  4. Step 4: Simplify right side
    3,106.94x = 9,046,604.01
  5. Step 5: Solve for x
    x = 9,046,604.01/3,106.94
  6. Step 6: Final answer
    x = 2,911.75

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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.