Home / 7,376.44-10,179.36-4,019.28

Finding the Fourth Proportional to 7,376.44, 10,179.36 and 4,019.28

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Solution

The fourth proportional to 7,376.44, 10,179.36 and 4,019.28 is: 5,546.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376.44 : 10,179.36 = 4,019.28 : x
  2. Step 2: Convert to fraction form
    7,376.44/10,179.36 = 4,019.28/x
  3. Step 3: Cross multiply
    7,376.44x = 10,179.36 × 4,019.28
  4. Step 4: Simplify right side
    7,376.44x = 40,913,736.23
  5. Step 5: Solve for x
    x = 40,913,736.23/7,376.44
  6. Step 6: Final answer
    x = 5,546.54

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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.