Home / 3,814.87-5,264.37-2,136.19

Finding the Fourth Proportional to 3,814.87, 5,264.37 and 2,136.19

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Solution

The fourth proportional to 3,814.87, 5,264.37 and 2,136.19 is: 2,947.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.87 : 5,264.37 = 2,136.19 : x
  2. Step 2: Convert to fraction form
    3,814.87/5,264.37 = 2,136.19/x
  3. Step 3: Cross multiply
    3,814.87x = 5,264.37 × 2,136.19
  4. Step 4: Simplify right side
    3,814.87x = 11,245,709.14
  5. Step 5: Solve for x
    x = 11,245,709.14/3,814.87
  6. Step 6: Final answer
    x = 2,947.86

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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.