Home / 5,855.66-8,086.20-3,763.43

Finding the Fourth Proportional to 5,855.66, 8,086.20 and 3,763.43

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Solution

The fourth proportional to 5,855.66, 8,086.20 and 3,763.43 is: 5,197.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.66 : 8,086.20 = 3,763.43 : x
  2. Step 2: Convert to fraction form
    5,855.66/8,086.20 = 3,763.43/x
  3. Step 3: Cross multiply
    5,855.66x = 8,086.20 × 3,763.43
  4. Step 4: Simplify right side
    5,855.66x = 30,431,847.67
  5. Step 5: Solve for x
    x = 30,431,847.67/5,855.66
  6. Step 6: Final answer
    x = 5,197.00

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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.