Home / 5,599.91-7,727.64-3,081.78

Finding the Fourth Proportional to 5,599.91, 7,727.64 and 3,081.78

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Solution

The fourth proportional to 5,599.91, 7,727.64 and 3,081.78 is: 4,252.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.91 : 7,727.64 = 3,081.78 : x
  2. Step 2: Convert to fraction form
    5,599.91/7,727.64 = 3,081.78/x
  3. Step 3: Cross multiply
    5,599.91x = 7,727.64 × 3,081.78
  4. Step 4: Simplify right side
    5,599.91x = 23,814,870.99
  5. Step 5: Solve for x
    x = 23,814,870.99/5,599.91
  6. Step 6: Final answer
    x = 4,252.73

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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.