Home / 4,838.31-7,257.47-1,375.56

Finding the Fourth Proportional to 4,838.31, 7,257.47 and 1,375.56

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Solution

The fourth proportional to 4,838.31, 7,257.47 and 1,375.56 is: 2,063.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,838.31 : 7,257.47 = 1,375.56 : x
  2. Step 2: Convert to fraction form
    4,838.31/7,257.47 = 1,375.56/x
  3. Step 3: Cross multiply
    4,838.31x = 7,257.47 × 1,375.56
  4. Step 4: Simplify right side
    4,838.31x = 9,983,078.56
  5. Step 5: Solve for x
    x = 9,983,078.56/4,838.31
  6. Step 6: Final answer
    x = 2,063.34

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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.