Home / 3,211.38-4,431.11-2,032.83

Finding the Fourth Proportional to 3,211.38, 4,431.11 and 2,032.83

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Solution

The fourth proportional to 3,211.38, 4,431.11 and 2,032.83 is: 2,804.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.38 : 4,431.11 = 2,032.83 : x
  2. Step 2: Convert to fraction form
    3,211.38/4,431.11 = 2,032.83/x
  3. Step 3: Cross multiply
    3,211.38x = 4,431.11 × 2,032.83
  4. Step 4: Simplify right side
    3,211.38x = 9,007,683.18
  5. Step 5: Solve for x
    x = 9,007,683.18/3,211.38
  6. Step 6: Final answer
    x = 2,804.93

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1.5x scale

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.