Home / 3,961.85-5,474.58-3,769.70

Finding the Fourth Proportional to 3,961.85, 5,474.58 and 3,769.70

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Solution

The fourth proportional to 3,961.85, 5,474.58 and 3,769.70 is: 5,209.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.85 : 5,474.58 = 3,769.70 : x
  2. Step 2: Convert to fraction form
    3,961.85/5,474.58 = 3,769.70/x
  3. Step 3: Cross multiply
    3,961.85x = 5,474.58 × 3,769.70
  4. Step 4: Simplify right side
    3,961.85x = 20,637,478.00
  5. Step 5: Solve for x
    x = 20,637,478.00/3,961.85
  6. Step 6: Final answer
    x = 5,209.06

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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.