Home / 5,926.90-8,175.39-3,800.20

Finding the Fourth Proportional to 5,926.90, 8,175.39 and 3,800.20

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Solution

The fourth proportional to 5,926.90, 8,175.39 and 3,800.20 is: 5,241.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,926.90 : 8,175.39 = 3,800.20 : x
  2. Step 2: Convert to fraction form
    5,926.90/8,175.39 = 3,800.20/x
  3. Step 3: Cross multiply
    5,926.90x = 8,175.39 × 3,800.20
  4. Step 4: Simplify right side
    5,926.90x = 31,068,057.20
  5. Step 5: Solve for x
    x = 31,068,057.20/5,926.90
  6. Step 6: Final answer
    x = 5,241.87

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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.