Home / 3,051.25-4,209.32-1,791.91

Finding the Fourth Proportional to 3,051.25, 4,209.32 and 1,791.91

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Solution

The fourth proportional to 3,051.25, 4,209.32 and 1,791.91 is: 2,472.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.25 : 4,209.32 = 1,791.91 : x
  2. Step 2: Convert to fraction form
    3,051.25/4,209.32 = 1,791.91/x
  3. Step 3: Cross multiply
    3,051.25x = 4,209.32 × 1,791.91
  4. Step 4: Simplify right side
    3,051.25x = 7,542,692.60
  5. Step 5: Solve for x
    x = 7,542,692.60/3,051.25
  6. Step 6: Final answer
    x = 2,472.00

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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.