Home / 6,286.45-8,674.91-3,633.43

Finding the Fourth Proportional to 6,286.45, 8,674.91 and 3,633.43

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Solution

The fourth proportional to 6,286.45, 8,674.91 and 3,633.43 is: 5,013.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.45 : 8,674.91 = 3,633.43 : x
  2. Step 2: Convert to fraction form
    6,286.45/8,674.91 = 3,633.43/x
  3. Step 3: Cross multiply
    6,286.45x = 8,674.91 × 3,633.43
  4. Step 4: Simplify right side
    6,286.45x = 31,519,652.01
  5. Step 5: Solve for x
    x = 31,519,652.01/6,286.45
  6. Step 6: Final answer
    x = 5,013.91

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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.