Home / 3,750.70-5,176.20-2,072.02

Finding the Fourth Proportional to 3,750.70, 5,176.20 and 2,072.02

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Solution

The fourth proportional to 3,750.70, 5,176.20 and 2,072.02 is: 2,859.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.70 : 5,176.20 = 2,072.02 : x
  2. Step 2: Convert to fraction form
    3,750.70/5,176.20 = 2,072.02/x
  3. Step 3: Cross multiply
    3,750.70x = 5,176.20 × 2,072.02
  4. Step 4: Simplify right side
    3,750.70x = 10,725,189.92
  5. Step 5: Solve for x
    x = 10,725,189.92/3,750.70
  6. Step 6: Final answer
    x = 2,859.52

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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.