Home / 3,690.73-5,536.66-1,191.08

Finding the Fourth Proportional to 3,690.73, 5,536.66 and 1,191.08

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Solution

The fourth proportional to 3,690.73, 5,536.66 and 1,191.08 is: 1,786.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.73 : 5,536.66 = 1,191.08 : x
  2. Step 2: Convert to fraction form
    3,690.73/5,536.66 = 1,191.08/x
  3. Step 3: Cross multiply
    3,690.73x = 5,536.66 × 1,191.08
  4. Step 4: Simplify right side
    3,690.73x = 6,594,630.67
  5. Step 5: Solve for x
    x = 6,594,630.67/3,690.73
  6. Step 6: Final answer
    x = 1,786.81

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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.