Home / 3,860.46-5,327.49-2,288.25

Finding the Fourth Proportional to 3,860.46, 5,327.49 and 2,288.25

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Solution

The fourth proportional to 3,860.46, 5,327.49 and 2,288.25 is: 3,157.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.46 : 5,327.49 = 2,288.25 : x
  2. Step 2: Convert to fraction form
    3,860.46/5,327.49 = 2,288.25/x
  3. Step 3: Cross multiply
    3,860.46x = 5,327.49 × 2,288.25
  4. Step 4: Simplify right side
    3,860.46x = 12,190,628.99
  5. Step 5: Solve for x
    x = 12,190,628.99/3,860.46
  6. Step 6: Final answer
    x = 3,157.82

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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.