Home / 5,815.96-8,026.10-3,163.36

Finding the Fourth Proportional to 5,815.96, 8,026.10 and 3,163.36

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Solution

The fourth proportional to 5,815.96, 8,026.10 and 3,163.36 is: 4,365.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.96 : 8,026.10 = 3,163.36 : x
  2. Step 2: Convert to fraction form
    5,815.96/8,026.10 = 3,163.36/x
  3. Step 3: Cross multiply
    5,815.96x = 8,026.10 × 3,163.36
  4. Step 4: Simplify right side
    5,815.96x = 25,389,443.70
  5. Step 5: Solve for x
    x = 25,389,443.70/5,815.96
  6. Step 6: Final answer
    x = 4,365.48

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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.