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Finding the Fourth Proportional to 2,682.86, 3,704.06 and 2,186.68

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Solution

The fourth proportional to 2,682.86, 3,704.06 and 2,186.68 is: 3,019.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.86 : 3,704.06 = 2,186.68 : x
  2. Step 2: Convert to fraction form
    2,682.86/3,704.06 = 2,186.68/x
  3. Step 3: Cross multiply
    2,682.86x = 3,704.06 × 2,186.68
  4. Step 4: Simplify right side
    2,682.86x = 8,099,590.13
  5. Step 5: Solve for x
    x = 8,099,590.13/2,682.86
  6. Step 6: Final answer
    x = 3,019.02

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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.