Home / 5,179.46-7,149.32-3,054.95

Finding the Fourth Proportional to 5,179.46, 7,149.32 and 3,054.95

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Solution

The fourth proportional to 5,179.46, 7,149.32 and 3,054.95 is: 4,216.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.46 : 7,149.32 = 3,054.95 : x
  2. Step 2: Convert to fraction form
    5,179.46/7,149.32 = 3,054.95/x
  3. Step 3: Cross multiply
    5,179.46x = 7,149.32 × 3,054.95
  4. Step 4: Simplify right side
    5,179.46x = 21,840,764.11
  5. Step 5: Solve for x
    x = 21,840,764.11/5,179.46
  6. Step 6: Final answer
    x = 4,216.81

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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.