Home / 3,292.62-4,939.99-1,976.16

Finding the Fourth Proportional to 3,292.62, 4,939.99 and 1,976.16

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Solution

The fourth proportional to 3,292.62, 4,939.99 and 1,976.16 is: 2,964.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.62 : 4,939.99 = 1,976.16 : x
  2. Step 2: Convert to fraction form
    3,292.62/4,939.99 = 1,976.16/x
  3. Step 3: Cross multiply
    3,292.62x = 4,939.99 × 1,976.16
  4. Step 4: Simplify right side
    3,292.62x = 9,762,224.22
  5. Step 5: Solve for x
    x = 9,762,224.22/3,292.62
  6. Step 6: Final answer
    x = 2,964.88

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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.