Home / 5,744.09-8,618.31-3,912.48

Finding the Fourth Proportional to 5,744.09, 8,618.31 and 3,912.48

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Solution

The fourth proportional to 5,744.09, 8,618.31 and 3,912.48 is: 5,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,744.09 : 8,618.31 = 3,912.48 : x
  2. Step 2: Convert to fraction form
    5,744.09/8,618.31 = 3,912.48/x
  3. Step 3: Cross multiply
    5,744.09x = 8,618.31 × 3,912.48
  4. Step 4: Simplify right side
    5,744.09x = 33,718,965.51
  5. Step 5: Solve for x
    x = 33,718,965.51/5,744.09
  6. Step 6: Final answer
    x = 5,870.20

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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.