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Finding the Fourth Proportional to 3,955.37, 5,920.17 and 2,914.95

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Solution

The fourth proportional to 3,955.37, 5,920.17 and 2,914.95 is: 4,362.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.37 : 5,920.17 = 2,914.95 : x
  2. Step 2: Convert to fraction form
    3,955.37/5,920.17 = 2,914.95/x
  3. Step 3: Cross multiply
    3,955.37x = 5,920.17 × 2,914.95
  4. Step 4: Simplify right side
    3,955.37x = 17,256,999.54
  5. Step 5: Solve for x
    x = 17,256,999.54/3,955.37
  6. Step 6: Final answer
    x = 4,362.93

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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.