Home / 3,406.92-4,700.34-2,228.68

Finding the Fourth Proportional to 3,406.92, 4,700.34 and 2,228.68

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Solution

The fourth proportional to 3,406.92, 4,700.34 and 2,228.68 is: 3,074.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.92 : 4,700.34 = 2,228.68 : x
  2. Step 2: Convert to fraction form
    3,406.92/4,700.34 = 2,228.68/x
  3. Step 3: Cross multiply
    3,406.92x = 4,700.34 × 2,228.68
  4. Step 4: Simplify right side
    3,406.92x = 10,475,553.75
  5. Step 5: Solve for x
    x = 10,475,553.75/3,406.92
  6. Step 6: Final answer
    x = 3,074.79

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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.