Home / 7,376.36-10,179.60-4,019.32

Finding the Fourth Proportional to 7,376.36, 10,179.60 and 4,019.32

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Solution

The fourth proportional to 7,376.36, 10,179.60 and 4,019.32 is: 5,546.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376.36 : 10,179.60 = 4,019.32 : x
  2. Step 2: Convert to fraction form
    7,376.36/10,179.60 = 4,019.32/x
  3. Step 3: Cross multiply
    7,376.36x = 10,179.60 × 4,019.32
  4. Step 4: Simplify right side
    7,376.36x = 40,915,069.87
  5. Step 5: Solve for x
    x = 40,915,069.87/7,376.36
  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.