Home / 6,418.41-8,855.24-4,183.17

Finding the Fourth Proportional to 6,418.41, 8,855.24 and 4,183.17

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Solution

The fourth proportional to 6,418.41, 8,855.24 and 4,183.17 is: 5,771.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.41 : 8,855.24 = 4,183.17 : x
  2. Step 2: Convert to fraction form
    6,418.41/8,855.24 = 4,183.17/x
  3. Step 3: Cross multiply
    6,418.41x = 8,855.24 × 4,183.17
  4. Step 4: Simplify right side
    6,418.41x = 37,042,953.39
  5. Step 5: Solve for x
    x = 37,042,953.39/6,418.41
  6. Step 6: Final answer
    x = 5,771.36

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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.