Home / 1,857.11-2,786.82-1,684.09

Finding the Fourth Proportional to 1,857.11, 2,786.82 and 1,684.09

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Solution

The fourth proportional to 1,857.11, 2,786.82 and 1,684.09 is: 2,527.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857.11 : 2,786.82 = 1,684.09 : x
  2. Step 2: Convert to fraction form
    1,857.11/2,786.82 = 1,684.09/x
  3. Step 3: Cross multiply
    1,857.11x = 2,786.82 × 1,684.09
  4. Step 4: Simplify right side
    1,857.11x = 4,693,233.34
  5. Step 5: Solve for x
    x = 4,693,233.34/1,857.11
  6. Step 6: Final answer
    x = 2,527.18

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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.