Home / 2,958.89-4,435.18-2,226.20

Finding the Fourth Proportional to 2,958.89, 4,435.18 and 2,226.20

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Solution

The fourth proportional to 2,958.89, 4,435.18 and 2,226.20 is: 3,336.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.89 : 4,435.18 = 2,226.20 : x
  2. Step 2: Convert to fraction form
    2,958.89/4,435.18 = 2,226.20/x
  3. Step 3: Cross multiply
    2,958.89x = 4,435.18 × 2,226.20
  4. Step 4: Simplify right side
    2,958.89x = 9,873,569.97
  5. Step 5: Solve for x
    x = 9,873,569.97/2,958.89
  6. Step 6: Final answer
    x = 3,336.92

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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.