Home / 3,487.11-5,227.46-1,511.50

Finding the Fourth Proportional to 3,487.11, 5,227.46 and 1,511.50

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Solution

The fourth proportional to 3,487.11, 5,227.46 and 1,511.50 is: 2,265.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.11 : 5,227.46 = 1,511.50 : x
  2. Step 2: Convert to fraction form
    3,487.11/5,227.46 = 1,511.50/x
  3. Step 3: Cross multiply
    3,487.11x = 5,227.46 × 1,511.50
  4. Step 4: Simplify right side
    3,487.11x = 7,901,305.79
  5. Step 5: Solve for x
    x = 7,901,305.79/3,487.11
  6. Step 6: Final answer
    x = 2,265.86

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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.