Home / 3,997.24-5,515.99-2,228.52

Finding the Fourth Proportional to 3,997.24, 5,515.99 and 2,228.52

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Solution

The fourth proportional to 3,997.24, 5,515.99 and 2,228.52 is: 3,075.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.24 : 5,515.99 = 2,228.52 : x
  2. Step 2: Convert to fraction form
    3,997.24/5,515.99 = 2,228.52/x
  3. Step 3: Cross multiply
    3,997.24x = 5,515.99 × 2,228.52
  4. Step 4: Simplify right side
    3,997.24x = 12,292,494.03
  5. Step 5: Solve for x
    x = 12,292,494.03/3,997.24
  6. Step 6: Final answer
    x = 3,075.25

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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.