Home / 6,286.29-8,672.60-3,633.21

Finding the Fourth Proportional to 6,286.29, 8,672.60 and 3,633.21

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Solution

The fourth proportional to 6,286.29, 8,672.60 and 3,633.21 is: 5,012.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.29 : 8,672.60 = 3,633.21 : x
  2. Step 2: Convert to fraction form
    6,286.29/8,672.60 = 3,633.21/x
  3. Step 3: Cross multiply
    6,286.29x = 8,672.60 × 3,633.21
  4. Step 4: Simplify right side
    6,286.29x = 31,509,358.88
  5. Step 5: Solve for x
    x = 31,509,358.88/6,286.29
  6. Step 6: Final answer
    x = 5,012.39

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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.