Home / 4,975.70-7,448.96-3,928.37

Finding the Fourth Proportional to 4,975.70, 7,448.96 and 3,928.37

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Solution

The fourth proportional to 4,975.70, 7,448.96 and 3,928.37 is: 5,881.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.70 : 7,448.96 = 3,928.37 : x
  2. Step 2: Convert to fraction form
    4,975.70/7,448.96 = 3,928.37/x
  3. Step 3: Cross multiply
    4,975.70x = 7,448.96 × 3,928.37
  4. Step 4: Simplify right side
    4,975.70x = 29,262,243.57
  5. Step 5: Solve for x
    x = 29,262,243.57/4,975.70
  6. Step 6: Final answer
    x = 5,881.04

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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.