Home / 3,586.68-5,378.27-2,125.44

Finding the Fourth Proportional to 3,586.68, 5,378.27 and 2,125.44

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Solution

The fourth proportional to 3,586.68, 5,378.27 and 2,125.44 is: 3,187.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.68 : 5,378.27 = 2,125.44 : x
  2. Step 2: Convert to fraction form
    3,586.68/5,378.27 = 2,125.44/x
  3. Step 3: Cross multiply
    3,586.68x = 5,378.27 × 2,125.44
  4. Step 4: Simplify right side
    3,586.68x = 11,431,179.56
  5. Step 5: Solve for x
    x = 11,431,179.56/3,586.68
  6. Step 6: Final answer
    x = 3,187.12

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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.