Home / 3,100.38-4,647.69-2,123.34

Finding the Fourth Proportional to 3,100.38, 4,647.69 and 2,123.34

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Solution

The fourth proportional to 3,100.38, 4,647.69 and 2,123.34 is: 3,183.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.38 : 4,647.69 = 2,123.34 : x
  2. Step 2: Convert to fraction form
    3,100.38/4,647.69 = 2,123.34/x
  3. Step 3: Cross multiply
    3,100.38x = 4,647.69 × 2,123.34
  4. Step 4: Simplify right side
    3,100.38x = 9,868,626.08
  5. Step 5: Solve for x
    x = 9,868,626.08/3,100.38
  6. Step 6: Final answer
    x = 3,183.04

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.