Home / 5,227.56-7,839.68-1,716.99

Finding the Fourth Proportional to 5,227.56, 7,839.68 and 1,716.99

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Solution

The fourth proportional to 5,227.56, 7,839.68 and 1,716.99 is: 2,574.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.56 : 7,839.68 = 1,716.99 : x
  2. Step 2: Convert to fraction form
    5,227.56/7,839.68 = 1,716.99/x
  3. Step 3: Cross multiply
    5,227.56x = 7,839.68 × 1,716.99
  4. Step 4: Simplify right side
    5,227.56x = 13,460,617.26
  5. Step 5: Solve for x
    x = 13,460,617.26/5,227.56
  6. Step 6: Final answer
    x = 2,574.94

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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.