Home / 3,763.75-5,193.99-2,107.75

Finding the Fourth Proportional to 3,763.75, 5,193.99 and 2,107.75

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Solution

The fourth proportional to 3,763.75, 5,193.99 and 2,107.75 is: 2,908.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763.75 : 5,193.99 = 2,107.75 : x
  2. Step 2: Convert to fraction form
    3,763.75/5,193.99 = 2,107.75/x
  3. Step 3: Cross multiply
    3,763.75x = 5,193.99 × 2,107.75
  4. Step 4: Simplify right side
    3,763.75x = 10,947,632.42
  5. Step 5: Solve for x
    x = 10,947,632.42/3,763.75
  6. Step 6: Final answer
    x = 2,908.70

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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.