Home / 4,125.99-5,687.23-3,228.22

Finding the Fourth Proportional to 4,125.99, 5,687.23 and 3,228.22

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Solution

The fourth proportional to 4,125.99, 5,687.23 and 3,228.22 is: 4,449.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.99 : 5,687.23 = 3,228.22 : x
  2. Step 2: Convert to fraction form
    4,125.99/5,687.23 = 3,228.22/x
  3. Step 3: Cross multiply
    4,125.99x = 5,687.23 × 3,228.22
  4. Step 4: Simplify right side
    4,125.99x = 18,359,585.05
  5. Step 5: Solve for x
    x = 18,359,585.05/4,125.99
  6. Step 6: Final answer
    x = 4,449.74

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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.