Home / 5,243.26-7,868.48-2,165.26

Finding the Fourth Proportional to 5,243.26, 7,868.48 and 2,165.26

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Solution

The fourth proportional to 5,243.26, 7,868.48 and 2,165.26 is: 3,249.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.26 : 7,868.48 = 2,165.26 : x
  2. Step 2: Convert to fraction form
    5,243.26/7,868.48 = 2,165.26/x
  3. Step 3: Cross multiply
    5,243.26x = 7,868.48 × 2,165.26
  4. Step 4: Simplify right side
    5,243.26x = 17,037,305.00
  5. Step 5: Solve for x
    x = 17,037,305.00/5,243.26
  6. Step 6: Final answer
    x = 3,249.37

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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.