Home / 6,936.99-10,403.92-2,005.53

Finding the Fourth Proportional to 6,936.99, 10,403.92 and 2,005.53

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Solution

The fourth proportional to 6,936.99, 10,403.92 and 2,005.53 is: 3,007.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.99 : 10,403.92 = 2,005.53 : x
  2. Step 2: Convert to fraction form
    6,936.99/10,403.92 = 2,005.53/x
  3. Step 3: Cross multiply
    6,936.99x = 10,403.92 × 2,005.53
  4. Step 4: Simplify right side
    6,936.99x = 20,865,373.68
  5. Step 5: Solve for x
    x = 20,865,373.68/6,936.99
  6. Step 6: Final answer
    x = 3,007.84

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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.