Home / 5,035.68-6,947.64-2,939.04

Finding the Fourth Proportional to 5,035.68, 6,947.64 and 2,939.04

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Solution

The fourth proportional to 5,035.68, 6,947.64 and 2,939.04 is: 4,054.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,035.68 : 6,947.64 = 2,939.04 : x
  2. Step 2: Convert to fraction form
    5,035.68/6,947.64 = 2,939.04/x
  3. Step 3: Cross multiply
    5,035.68x = 6,947.64 × 2,939.04
  4. Step 4: Simplify right side
    5,035.68x = 20,419,391.87
  5. Step 5: Solve for x
    x = 20,419,391.87/5,035.68
  6. Step 6: Final answer
    x = 4,054.94

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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.