Home / 4,928.53-7,378.17-2,974.81

Finding the Fourth Proportional to 4,928.53, 7,378.17 and 2,974.81

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Solution

The fourth proportional to 4,928.53, 7,378.17 and 2,974.81 is: 4,453.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.53 : 7,378.17 = 2,974.81 : x
  2. Step 2: Convert to fraction form
    4,928.53/7,378.17 = 2,974.81/x
  3. Step 3: Cross multiply
    4,928.53x = 7,378.17 × 2,974.81
  4. Step 4: Simplify right side
    4,928.53x = 21,948,653.90
  5. Step 5: Solve for x
    x = 21,948,653.90/4,928.53
  6. Step 6: Final answer
    x = 4,453.39

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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.