Home / 3,524.91-5,286.90-1,677.20

Finding the Fourth Proportional to 3,524.91, 5,286.90 and 1,677.20

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Solution

The fourth proportional to 3,524.91, 5,286.90 and 1,677.20 is: 2,515.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,524.91 : 5,286.90 = 1,677.20 : x
  2. Step 2: Convert to fraction form
    3,524.91/5,286.90 = 1,677.20/x
  3. Step 3: Cross multiply
    3,524.91x = 5,286.90 × 1,677.20
  4. Step 4: Simplify right side
    3,524.91x = 8,867,183.40
  5. Step 5: Solve for x
    x = 8,867,183.40/3,524.91
  6. Step 6: Final answer
    x = 2,515.58

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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.