Home / 6,885.30-10,331.94-2,936.35

Finding the Fourth Proportional to 6,885.30, 10,331.94 and 2,936.35

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Solution

The fourth proportional to 6,885.30, 10,331.94 and 2,936.35 is: 4,406.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885.30 : 10,331.94 = 2,936.35 : x
  2. Step 2: Convert to fraction form
    6,885.30/10,331.94 = 2,936.35/x
  3. Step 3: Cross multiply
    6,885.30x = 10,331.94 × 2,936.35
  4. Step 4: Simplify right side
    6,885.30x = 30,338,140.36
  5. Step 5: Solve for x
    x = 30,338,140.36/6,885.30
  6. Step 6: Final answer
    x = 4,406.22

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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.