Home / 3,513.25-5,261.41-1,949.55

Finding the Fourth Proportional to 3,513.25, 5,261.41 and 1,949.55

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Solution

The fourth proportional to 3,513.25, 5,261.41 and 1,949.55 is: 2,919.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.25 : 5,261.41 = 1,949.55 : x
  2. Step 2: Convert to fraction form
    3,513.25/5,261.41 = 1,949.55/x
  3. Step 3: Cross multiply
    3,513.25x = 5,261.41 × 1,949.55
  4. Step 4: Simplify right side
    3,513.25x = 10,257,381.87
  5. Step 5: Solve for x
    x = 10,257,381.87/3,513.25
  6. Step 6: Final answer
    x = 2,919.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.