Home / 5,216.77-7,195.62-3,228.31

Finding the Fourth Proportional to 5,216.77, 7,195.62 and 3,228.31

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Solution

The fourth proportional to 5,216.77, 7,195.62 and 3,228.31 is: 4,452.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.77 : 7,195.62 = 3,228.31 : x
  2. Step 2: Convert to fraction form
    5,216.77/7,195.62 = 3,228.31/x
  3. Step 3: Cross multiply
    5,216.77x = 7,195.62 × 3,228.31
  4. Step 4: Simplify right side
    5,216.77x = 23,229,692.00
  5. Step 5: Solve for x
    x = 23,229,692.00/5,216.77
  6. Step 6: Final answer
    x = 4,452.89

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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.