Home / 3,860.70-5,327.44-2,182.26

Finding the Fourth Proportional to 3,860.70, 5,327.44 and 2,182.26

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Solution

The fourth proportional to 3,860.70, 5,327.44 and 2,182.26 is: 3,011.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.70 : 5,327.44 = 2,182.26 : x
  2. Step 2: Convert to fraction form
    3,860.70/5,327.44 = 2,182.26/x
  3. Step 3: Cross multiply
    3,860.70x = 5,327.44 × 2,182.26
  4. Step 4: Simplify right side
    3,860.70x = 11,625,859.21
  5. Step 5: Solve for x
    x = 11,625,859.21/3,860.70
  6. Step 6: Final answer
    x = 3,011.33

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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.