Home / 3,766.12-5,197.86-2,274.14

Finding the Fourth Proportional to 3,766.12, 5,197.86 and 2,274.14

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Solution

The fourth proportional to 3,766.12, 5,197.86 and 2,274.14 is: 3,138.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.12 : 5,197.86 = 2,274.14 : x
  2. Step 2: Convert to fraction form
    3,766.12/5,197.86 = 2,274.14/x
  3. Step 3: Cross multiply
    3,766.12x = 5,197.86 × 2,274.14
  4. Step 4: Simplify right side
    3,766.12x = 11,820,661.34
  5. Step 5: Solve for x
    x = 11,820,661.34/3,766.12
  6. Step 6: Final answer
    x = 3,138.68

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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.