Home / 3,928.12-5,891.73-2,462.80

Finding the Fourth Proportional to 3,928.12, 5,891.73 and 2,462.80

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Solution

The fourth proportional to 3,928.12, 5,891.73 and 2,462.80 is: 3,693.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928.12 : 5,891.73 = 2,462.80 : x
  2. Step 2: Convert to fraction form
    3,928.12/5,891.73 = 2,462.80/x
  3. Step 3: Cross multiply
    3,928.12x = 5,891.73 × 2,462.80
  4. Step 4: Simplify right side
    3,928.12x = 14,510,152.64
  5. Step 5: Solve for x
    x = 14,510,152.64/3,928.12
  6. Step 6: Final answer
    x = 3,693.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.