Home / 3,471.11-5,204.34-1,911.85

Finding the Fourth Proportional to 3,471.11, 5,204.34 and 1,911.85

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Solution

The fourth proportional to 3,471.11, 5,204.34 and 1,911.85 is: 2,866.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.11 : 5,204.34 = 1,911.85 : x
  2. Step 2: Convert to fraction form
    3,471.11/5,204.34 = 1,911.85/x
  3. Step 3: Cross multiply
    3,471.11x = 5,204.34 × 1,911.85
  4. Step 4: Simplify right side
    3,471.11x = 9,949,891.41
  5. Step 5: Solve for x
    x = 9,949,891.41/3,471.11
  6. Step 6: Final answer
    x = 2,866.49

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1.5x scale

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.