Home / 2,096.81-2,892.96-1,212.66

Finding the Fourth Proportional to 2,096.81, 2,892.96 and 1,212.66

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Solution

The fourth proportional to 2,096.81, 2,892.96 and 1,212.66 is: 1,673.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,096.81 : 2,892.96 = 1,212.66 : x
  2. Step 2: Convert to fraction form
    2,096.81/2,892.96 = 1,212.66/x
  3. Step 3: Cross multiply
    2,096.81x = 2,892.96 × 1,212.66
  4. Step 4: Simplify right side
    2,096.81x = 3,508,176.87
  5. Step 5: Solve for x
    x = 3,508,176.87/2,096.81
  6. Step 6: Final answer
    x = 1,673.11

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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.