Home / 3,349.13-4,621.68-1,932.80

Finding the Fourth Proportional to 3,349.13, 4,621.68 and 1,932.80

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Solution

The fourth proportional to 3,349.13, 4,621.68 and 1,932.80 is: 2,667.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349.13 : 4,621.68 = 1,932.80 : x
  2. Step 2: Convert to fraction form
    3,349.13/4,621.68 = 1,932.80/x
  3. Step 3: Cross multiply
    3,349.13x = 4,621.68 × 1,932.80
  4. Step 4: Simplify right side
    3,349.13x = 8,932,760.00
  5. Step 5: Solve for x
    x = 8,932,760.00/3,349.13
  6. Step 6: Final answer
    x = 2,667.19

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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.