Home / 5,815.73-8,025.84-3,163.28

Finding the Fourth Proportional to 5,815.73, 8,025.84 and 3,163.28

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Solution

The fourth proportional to 5,815.73, 8,025.84 and 3,163.28 is: 4,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.73 : 8,025.84 = 3,163.28 : x
  2. Step 2: Convert to fraction form
    5,815.73/8,025.84 = 3,163.28/x
  3. Step 3: Cross multiply
    5,815.73x = 8,025.84 × 3,163.28
  4. Step 4: Simplify right side
    5,815.73x = 25,387,939.03
  5. Step 5: Solve for x
    x = 25,387,939.03/5,815.73
  6. Step 6: Final answer
    x = 4,365.40

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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.