Home / 5,451.45-8,177.62-2,331.48

Finding the Fourth Proportional to 5,451.45, 8,177.62 and 2,331.48

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Solution

The fourth proportional to 5,451.45, 8,177.62 and 2,331.48 is: 3,497.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.45 : 8,177.62 = 2,331.48 : x
  2. Step 2: Convert to fraction form
    5,451.45/8,177.62 = 2,331.48/x
  3. Step 3: Cross multiply
    5,451.45x = 8,177.62 × 2,331.48
  4. Step 4: Simplify right side
    5,451.45x = 19,065,945.82
  5. Step 5: Solve for x
    x = 19,065,945.82/5,451.45
  6. Step 6: Final answer
    x = 3,497.41

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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.