Home / 3,368.38-5,047.11-2,196.98

Finding the Fourth Proportional to 3,368.38, 5,047.11 and 2,196.98

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Solution

The fourth proportional to 3,368.38, 5,047.11 and 2,196.98 is: 3,291.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.38 : 5,047.11 = 2,196.98 : x
  2. Step 2: Convert to fraction form
    3,368.38/5,047.11 = 2,196.98/x
  3. Step 3: Cross multiply
    3,368.38x = 5,047.11 × 2,196.98
  4. Step 4: Simplify right side
    3,368.38x = 11,088,399.73
  5. Step 5: Solve for x
    x = 11,088,399.73/3,368.38
  6. Step 6: Final answer
    x = 3,291.91

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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.