Home / 7,376.74-10,179.72-4,019.48

Finding the Fourth Proportional to 7,376.74, 10,179.72 and 4,019.48

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Solution

The fourth proportional to 7,376.74, 10,179.72 and 4,019.48 is: 5,546.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376.74 : 10,179.72 = 4,019.48 : x
  2. Step 2: Convert to fraction form
    7,376.74/10,179.72 = 4,019.48/x
  3. Step 3: Cross multiply
    7,376.74x = 10,179.72 × 4,019.48
  4. Step 4: Simplify right side
    7,376.74x = 40,917,180.95
  5. Step 5: Solve for x
    x = 40,917,180.95/7,376.74
  6. Step 6: Final answer
    x = 5,546.78

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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.