Home / 5,536.35-7,640.19-3,297.78

Finding the Fourth Proportional to 5,536.35, 7,640.19 and 3,297.78

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Solution

The fourth proportional to 5,536.35, 7,640.19 and 3,297.78 is: 4,550.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,536.35 : 7,640.19 = 3,297.78 : x
  2. Step 2: Convert to fraction form
    5,536.35/7,640.19 = 3,297.78/x
  3. Step 3: Cross multiply
    5,536.35x = 7,640.19 × 3,297.78
  4. Step 4: Simplify right side
    5,536.35x = 25,195,665.78
  5. Step 5: Solve for x
    x = 25,195,665.78/5,536.35
  6. Step 6: Final answer
    x = 4,550.95

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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.