Home / 5,300.28-7,951.43-2,137.97

Finding the Fourth Proportional to 5,300.28, 7,951.43 and 2,137.97

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Solution

The fourth proportional to 5,300.28, 7,951.43 and 2,137.97 is: 3,207.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300.28 : 7,951.43 = 2,137.97 : x
  2. Step 2: Convert to fraction form
    5,300.28/7,951.43 = 2,137.97/x
  3. Step 3: Cross multiply
    5,300.28x = 7,951.43 × 2,137.97
  4. Step 4: Simplify right side
    5,300.28x = 16,999,918.80
  5. Step 5: Solve for x
    x = 16,999,918.80/5,300.28
  6. Step 6: Final answer
    x = 3,207.36

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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.