Home / 3,168.52-4,372.56-1,771.28

Finding the Fourth Proportional to 3,168.52, 4,372.56 and 1,771.28

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Solution

The fourth proportional to 3,168.52, 4,372.56 and 1,771.28 is: 2,444.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.52 : 4,372.56 = 1,771.28 : x
  2. Step 2: Convert to fraction form
    3,168.52/4,372.56 = 1,771.28/x
  3. Step 3: Cross multiply
    3,168.52x = 4,372.56 × 1,771.28
  4. Step 4: Simplify right side
    3,168.52x = 7,745,028.08
  5. Step 5: Solve for x
    x = 7,745,028.08/3,168.52
  6. Step 6: Final answer
    x = 2,444.37

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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.