Home / 5,716.63-8,571.81-3,087.28

Finding the Fourth Proportional to 5,716.63, 8,571.81 and 3,087.28

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Solution

The fourth proportional to 5,716.63, 8,571.81 and 3,087.28 is: 4,629.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,716.63 : 8,571.81 = 3,087.28 : x
  2. Step 2: Convert to fraction form
    5,716.63/8,571.81 = 3,087.28/x
  3. Step 3: Cross multiply
    5,716.63x = 8,571.81 × 3,087.28
  4. Step 4: Simplify right side
    5,716.63x = 26,463,534.72
  5. Step 5: Solve for x
    x = 26,463,534.72/5,716.63
  6. Step 6: Final answer
    x = 4,629.22

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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.