Home / 7,376.75-10,179.78-4,019.59

Finding the Fourth Proportional to 7,376.75, 10,179.78 and 4,019.59

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Solution

The fourth proportional to 7,376.75, 10,179.78 and 4,019.59 is: 5,546.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376.75 : 10,179.78 = 4,019.59 : x
  2. Step 2: Convert to fraction form
    7,376.75/10,179.78 = 4,019.59/x
  3. Step 3: Cross multiply
    7,376.75x = 10,179.78 × 4,019.59
  4. Step 4: Simplify right side
    7,376.75x = 40,918,562.15
  5. Step 5: Solve for x
    x = 40,918,562.15/7,376.75
  6. Step 6: Final answer
    x = 5,546.96

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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.