Home / 3,167.93-4,750.68-2,191.07

Finding the Fourth Proportional to 3,167.93, 4,750.68 and 2,191.07

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Solution

The fourth proportional to 3,167.93, 4,750.68 and 2,191.07 is: 3,285.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.93 : 4,750.68 = 2,191.07 : x
  2. Step 2: Convert to fraction form
    3,167.93/4,750.68 = 2,191.07/x
  3. Step 3: Cross multiply
    3,167.93x = 4,750.68 × 2,191.07
  4. Step 4: Simplify right side
    3,167.93x = 10,409,072.43
  5. Step 5: Solve for x
    x = 10,409,072.43/3,167.93
  6. Step 6: Final answer
    x = 3,285.76

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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.