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Finding the Fourth Proportional to 6,310.87, 8,709.01 and 3,793.03

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Solution

The fourth proportional to 6,310.87, 8,709.01 and 3,793.03 is: 5,234.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310.87 : 8,709.01 = 3,793.03 : x
  2. Step 2: Convert to fraction form
    6,310.87/8,709.01 = 3,793.03/x
  3. Step 3: Cross multiply
    6,310.87x = 8,709.01 × 3,793.03
  4. Step 4: Simplify right side
    6,310.87x = 33,033,492.66
  5. Step 5: Solve for x
    x = 33,033,492.66/6,310.87
  6. Step 6: Final answer
    x = 5,234.38

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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.