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Finding the Fourth Proportional to 3,873.08, 5,834.31 and 3,536.84

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Solution

The fourth proportional to 3,873.08, 5,834.31 and 3,536.84 is: 5,327.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.08 : 5,834.31 = 3,536.84 : x
  2. Step 2: Convert to fraction form
    3,873.08/5,834.31 = 3,536.84/x
  3. Step 3: Cross multiply
    3,873.08x = 5,834.31 × 3,536.84
  4. Step 4: Simplify right side
    3,873.08x = 20,634,991.81
  5. Step 5: Solve for x
    x = 20,634,991.81/3,873.08
  6. Step 6: Final answer
    x = 5,327.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.