Home / 4,928.40-7,395.78-3,173.22

Finding the Fourth Proportional to 4,928.40, 7,395.78 and 3,173.22

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Solution

The fourth proportional to 4,928.40, 7,395.78 and 3,173.22 is: 4,761.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.40 : 7,395.78 = 3,173.22 : x
  2. Step 2: Convert to fraction form
    4,928.40/7,395.78 = 3,173.22/x
  3. Step 3: Cross multiply
    4,928.40x = 7,395.78 × 3,173.22
  4. Step 4: Simplify right side
    4,928.40x = 23,468,437.01
  5. Step 5: Solve for x
    x = 23,468,437.01/4,928.40
  6. Step 6: Final answer
    x = 4,761.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.