Home / 2,769.81-4,153.97-1,892.16

Finding the Fourth Proportional to 2,769.81, 4,153.97 and 1,892.16

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Solution

The fourth proportional to 2,769.81, 4,153.97 and 1,892.16 is: 2,837.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.81 : 4,153.97 = 1,892.16 : x
  2. Step 2: Convert to fraction form
    2,769.81/4,153.97 = 1,892.16/x
  3. Step 3: Cross multiply
    2,769.81x = 4,153.97 × 1,892.16
  4. Step 4: Simplify right side
    2,769.81x = 7,859,975.88
  5. Step 5: Solve for x
    x = 7,859,975.88/2,769.81
  6. Step 6: Final answer
    x = 2,837.73

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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.