Home / 4,157.78-6,233.26-1,938

Finding the Fourth Proportional to 4,157.78, 6,233.26 and 1,938

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Solution

The fourth proportional to 4,157.78, 6,233.26 and 1,938 is: 2,905.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.78 : 6,233.26 = 1,938 : x
  2. Step 2: Convert to fraction form
    4,157.78/6,233.26 = 1,938/x
  3. Step 3: Cross multiply
    4,157.78x = 6,233.26 × 1,938
  4. Step 4: Simplify right side
    4,157.78x = 12,080,057.88
  5. Step 5: Solve for x
    x = 12,080,057.88/4,157.78
  6. Step 6: Final answer
    x = 2,905.41

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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.