Home / 3,343.09-4,614.68-1,945.84

Finding the Fourth Proportional to 3,343.09, 4,614.68 and 1,945.84

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Solution

The fourth proportional to 3,343.09, 4,614.68 and 1,945.84 is: 2,685.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.09 : 4,614.68 = 1,945.84 : x
  2. Step 2: Convert to fraction form
    3,343.09/4,614.68 = 1,945.84/x
  3. Step 3: Cross multiply
    3,343.09x = 4,614.68 × 1,945.84
  4. Step 4: Simplify right side
    3,343.09x = 8,979,428.93
  5. Step 5: Solve for x
    x = 8,979,428.93/3,343.09
  6. Step 6: Final answer
    x = 2,685.97

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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.