Home / 6,481.41-8,944.29-3,686.91

Finding the Fourth Proportional to 6,481.41, 8,944.29 and 3,686.91

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Solution

The fourth proportional to 6,481.41, 8,944.29 and 3,686.91 is: 5,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481.41 : 8,944.29 = 3,686.91 : x
  2. Step 2: Convert to fraction form
    6,481.41/8,944.29 = 3,686.91/x
  3. Step 3: Cross multiply
    6,481.41x = 8,944.29 × 3,686.91
  4. Step 4: Simplify right side
    6,481.41x = 32,976,792.24
  5. Step 5: Solve for x
    x = 32,976,792.24/6,481.41
  6. Step 6: Final answer
    x = 5,087.90

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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.