Home / 3,155.96-4,725.66-2,226.48

Finding the Fourth Proportional to 3,155.96, 4,725.66 and 2,226.48

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Solution

The fourth proportional to 3,155.96, 4,725.66 and 2,226.48 is: 3,333.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.96 : 4,725.66 = 2,226.48 : x
  2. Step 2: Convert to fraction form
    3,155.96/4,725.66 = 2,226.48/x
  3. Step 3: Cross multiply
    3,155.96x = 4,725.66 × 2,226.48
  4. Step 4: Simplify right side
    3,155.96x = 10,521,587.48
  5. Step 5: Solve for x
    x = 10,521,587.48/3,155.96
  6. Step 6: Final answer
    x = 3,333.88

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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.