Home / 5,134.26-7,085.46-2,896.68

Finding the Fourth Proportional to 5,134.26, 7,085.46 and 2,896.68

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Solution

The fourth proportional to 5,134.26, 7,085.46 and 2,896.68 is: 3,997.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.26 : 7,085.46 = 2,896.68 : x
  2. Step 2: Convert to fraction form
    5,134.26/7,085.46 = 2,896.68/x
  3. Step 3: Cross multiply
    5,134.26x = 7,085.46 × 2,896.68
  4. Step 4: Simplify right side
    5,134.26x = 20,524,310.27
  5. Step 5: Solve for x
    x = 20,524,310.27/5,134.26
  6. Step 6: Final answer
    x = 3,997.52

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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.