Home / 2,723.96-4,085.94-1,426.36

Finding the Fourth Proportional to 2,723.96, 4,085.94 and 1,426.36

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Solution

The fourth proportional to 2,723.96, 4,085.94 and 1,426.36 is: 2,139.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.96 : 4,085.94 = 1,426.36 : x
  2. Step 2: Convert to fraction form
    2,723.96/4,085.94 = 1,426.36/x
  3. Step 3: Cross multiply
    2,723.96x = 4,085.94 × 1,426.36
  4. Step 4: Simplify right side
    2,723.96x = 5,828,021.38
  5. Step 5: Solve for x
    x = 5,828,021.38/2,723.96
  6. Step 6: Final answer
    x = 2,139.54

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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.