Home / 3,167.43-4,749.65-1,851.56

Finding the Fourth Proportional to 3,167.43, 4,749.65 and 1,851.56

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Solution

The fourth proportional to 3,167.43, 4,749.65 and 1,851.56 is: 2,776.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.43 : 4,749.65 = 1,851.56 : x
  2. Step 2: Convert to fraction form
    3,167.43/4,749.65 = 1,851.56/x
  3. Step 3: Cross multiply
    3,167.43x = 4,749.65 × 1,851.56
  4. Step 4: Simplify right side
    3,167.43x = 8,794,261.95
  5. Step 5: Solve for x
    x = 8,794,261.95/3,167.43
  6. Step 6: Final answer
    x = 2,776.47

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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.