Home / 3,426.54-5,136.99-2,193.63

Finding the Fourth Proportional to 3,426.54, 5,136.99 and 2,193.63

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Solution

The fourth proportional to 3,426.54, 5,136.99 and 2,193.63 is: 3,288.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.54 : 5,136.99 = 2,193.63 : x
  2. Step 2: Convert to fraction form
    3,426.54/5,136.99 = 2,193.63/x
  3. Step 3: Cross multiply
    3,426.54x = 5,136.99 × 2,193.63
  4. Step 4: Simplify right side
    3,426.54x = 11,268,655.37
  5. Step 5: Solve for x
    x = 11,268,655.37/3,426.54
  6. Step 6: Final answer
    x = 3,288.64

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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.