Home / 3,747.71-5,171.75-2,069.09

Finding the Fourth Proportional to 3,747.71, 5,171.75 and 2,069.09

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Solution

The fourth proportional to 3,747.71, 5,171.75 and 2,069.09 is: 2,855.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.71 : 5,171.75 = 2,069.09 : x
  2. Step 2: Convert to fraction form
    3,747.71/5,171.75 = 2,069.09/x
  3. Step 3: Cross multiply
    3,747.71x = 5,171.75 × 2,069.09
  4. Step 4: Simplify right side
    3,747.71x = 10,700,780.00
  5. Step 5: Solve for x
    x = 10,700,780.00/3,747.71
  6. Step 6: Final answer
    x = 2,855.29

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1.5x scale

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.