Home / 6,687.37-9,228.26-3,855.25

Finding the Fourth Proportional to 6,687.37, 9,228.26 and 3,855.25

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Solution

The fourth proportional to 6,687.37, 9,228.26 and 3,855.25 is: 5,320.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.37 : 9,228.26 = 3,855.25 : x
  2. Step 2: Convert to fraction form
    6,687.37/9,228.26 = 3,855.25/x
  3. Step 3: Cross multiply
    6,687.37x = 9,228.26 × 3,855.25
  4. Step 4: Simplify right side
    6,687.37x = 35,577,270.54
  5. Step 5: Solve for x
    x = 35,577,270.54/6,687.37
  6. Step 6: Final answer
    x = 5,320.07

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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.