Home / 3,766.57-5,197.81-2,065.09

Finding the Fourth Proportional to 3,766.57, 5,197.81 and 2,065.09

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Solution

The fourth proportional to 3,766.57, 5,197.81 and 2,065.09 is: 2,849.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.57 : 5,197.81 = 2,065.09 : x
  2. Step 2: Convert to fraction form
    3,766.57/5,197.81 = 2,065.09/x
  3. Step 3: Cross multiply
    3,766.57x = 5,197.81 × 2,065.09
  4. Step 4: Simplify right side
    3,766.57x = 10,733,958.45
  5. Step 5: Solve for x
    x = 10,733,958.45/3,766.57
  6. Step 6: Final answer
    x = 2,849.79

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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.