Home / 5,308.92-7,326.36-2,951.28

Finding the Fourth Proportional to 5,308.92, 7,326.36 and 2,951.28

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Solution

The fourth proportional to 5,308.92, 7,326.36 and 2,951.28 is: 4,072.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.92 : 7,326.36 = 2,951.28 : x
  2. Step 2: Convert to fraction form
    5,308.92/7,326.36 = 2,951.28/x
  3. Step 3: Cross multiply
    5,308.92x = 7,326.36 × 2,951.28
  4. Step 4: Simplify right side
    5,308.92x = 21,622,139.74
  5. Step 5: Solve for x
    x = 21,622,139.74/5,308.92
  6. Step 6: Final answer
    x = 4,072.79

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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.