Home / 2,311.83-3,191.09-1,840.59

Finding the Fourth Proportional to 2,311.83, 3,191.09 and 1,840.59

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Solution

The fourth proportional to 2,311.83, 3,191.09 and 1,840.59 is: 2,540.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.83 : 3,191.09 = 1,840.59 : x
  2. Step 2: Convert to fraction form
    2,311.83/3,191.09 = 1,840.59/x
  3. Step 3: Cross multiply
    2,311.83x = 3,191.09 × 1,840.59
  4. Step 4: Simplify right side
    2,311.83x = 5,873,479.14
  5. Step 5: Solve for x
    x = 5,873,479.14/2,311.83
  6. Step 6: Final answer
    x = 2,540.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.