Home / 4,021.75-5,550.36-2,343.31

Finding the Fourth Proportional to 4,021.75, 5,550.36 and 2,343.31

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Solution

The fourth proportional to 4,021.75, 5,550.36 and 2,343.31 is: 3,233.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.75 : 5,550.36 = 2,343.31 : x
  2. Step 2: Convert to fraction form
    4,021.75/5,550.36 = 2,343.31/x
  3. Step 3: Cross multiply
    4,021.75x = 5,550.36 × 2,343.31
  4. Step 4: Simplify right side
    4,021.75x = 13,006,214.09
  5. Step 5: Solve for x
    x = 13,006,214.09/4,021.75
  6. Step 6: Final answer
    x = 3,233.97

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1.5x scale

Why These Related Problems?

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