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Finding the Fourth Proportional to 6,395.82, 9,593.72 and 3,790.86

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Solution

The fourth proportional to 6,395.82, 9,593.72 and 3,790.86 is: 5,686.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,395.82 : 9,593.72 = 3,790.86 : x
  2. Step 2: Convert to fraction form
    6,395.82/9,593.72 = 3,790.86/x
  3. Step 3: Cross multiply
    6,395.82x = 9,593.72 × 3,790.86
  4. Step 4: Simplify right side
    6,395.82x = 36,368,449.40
  5. Step 5: Solve for x
    x = 36,368,449.40/6,395.82
  6. Step 6: Final answer
    x = 5,686.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.