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Finding the Fourth Proportional to 3,970.92, 5,955.03 and 1,373.25

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Solution

The fourth proportional to 3,970.92, 5,955.03 and 1,373.25 is: 2,059.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970.92 : 5,955.03 = 1,373.25 : x
  2. Step 2: Convert to fraction form
    3,970.92/5,955.03 = 1,373.25/x
  3. Step 3: Cross multiply
    3,970.92x = 5,955.03 × 1,373.25
  4. Step 4: Simplify right side
    3,970.92x = 8,177,744.95
  5. Step 5: Solve for x
    x = 8,177,744.95/3,970.92
  6. Step 6: Final answer
    x = 2,059.41

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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.