Home / 5,159.08-7,745.84-2,662.39

Finding the Fourth Proportional to 5,159.08, 7,745.84 and 2,662.39

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Solution

The fourth proportional to 5,159.08, 7,745.84 and 2,662.39 is: 3,997.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.08 : 7,745.84 = 2,662.39 : x
  2. Step 2: Convert to fraction form
    5,159.08/7,745.84 = 2,662.39/x
  3. Step 3: Cross multiply
    5,159.08x = 7,745.84 × 2,662.39
  4. Step 4: Simplify right side
    5,159.08x = 20,622,446.96
  5. Step 5: Solve for x
    x = 20,622,446.96/5,159.08
  6. Step 6: Final answer
    x = 3,997.31

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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.