Home / 3,133.24-4,700.67-1,672

Finding the Fourth Proportional to 3,133.24, 4,700.67 and 1,672

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Solution

The fourth proportional to 3,133.24, 4,700.67 and 1,672 is: 2,508.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.24 : 4,700.67 = 1,672 : x
  2. Step 2: Convert to fraction form
    3,133.24/4,700.67 = 1,672/x
  3. Step 3: Cross multiply
    3,133.24x = 4,700.67 × 1,672
  4. Step 4: Simplify right side
    3,133.24x = 7,859,520.24
  5. Step 5: Solve for x
    x = 7,859,520.24/3,133.24
  6. Step 6: Final answer
    x = 2,508.43

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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.