Home / 4,191.68-5,783.92-2,329.12

Finding the Fourth Proportional to 4,191.68, 5,783.92 and 2,329.12

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Solution

The fourth proportional to 4,191.68, 5,783.92 and 2,329.12 is: 3,213.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.68 : 5,783.92 = 2,329.12 : x
  2. Step 2: Convert to fraction form
    4,191.68/5,783.92 = 2,329.12/x
  3. Step 3: Cross multiply
    4,191.68x = 5,783.92 × 2,329.12
  4. Step 4: Simplify right side
    4,191.68x = 13,471,443.75
  5. Step 5: Solve for x
    x = 13,471,443.75/4,191.68
  6. Step 6: Final answer
    x = 3,213.85

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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.