Home / 3,851.42-5,336.91-3,617.33

Finding the Fourth Proportional to 3,851.42, 5,336.91 and 3,617.33

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Solution

The fourth proportional to 3,851.42, 5,336.91 and 3,617.33 is: 5,012.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.42 : 5,336.91 = 3,617.33 : x
  2. Step 2: Convert to fraction form
    3,851.42/5,336.91 = 3,617.33/x
  3. Step 3: Cross multiply
    3,851.42x = 5,336.91 × 3,617.33
  4. Step 4: Simplify right side
    3,851.42x = 19,305,337.97
  5. Step 5: Solve for x
    x = 19,305,337.97/3,851.42
  6. Step 6: Final answer
    x = 5,012.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.