Home / 5,961.45-8,230.59-3,837.78

Finding the Fourth Proportional to 5,961.45, 8,230.59 and 3,837.78

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Solution

The fourth proportional to 5,961.45, 8,230.59 and 3,837.78 is: 5,298.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,961.45 : 8,230.59 = 3,837.78 : x
  2. Step 2: Convert to fraction form
    5,961.45/8,230.59 = 3,837.78/x
  3. Step 3: Cross multiply
    5,961.45x = 8,230.59 × 3,837.78
  4. Step 4: Simplify right side
    5,961.45x = 31,587,193.69
  5. Step 5: Solve for x
    x = 31,587,193.69/5,961.45
  6. Step 6: Final answer
    x = 5,298.58

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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.