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Finding the Fourth Proportional to 6,310.05, 8,707.03 and 3,757.42

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Solution

The fourth proportional to 6,310.05, 8,707.03 and 3,757.42 is: 5,184.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310.05 : 8,707.03 = 3,757.42 : x
  2. Step 2: Convert to fraction form
    6,310.05/8,707.03 = 3,757.42/x
  3. Step 3: Cross multiply
    6,310.05x = 8,707.03 × 3,757.42
  4. Step 4: Simplify right side
    6,310.05x = 32,715,968.66
  5. Step 5: Solve for x
    x = 32,715,968.66/6,310.05
  6. Step 6: Final answer
    x = 5,184.74

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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.