Home / 4,928.34-7,382.78-2,984.34

Finding the Fourth Proportional to 4,928.34, 7,382.78 and 2,984.34

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Solution

The fourth proportional to 4,928.34, 7,382.78 and 2,984.34 is: 4,470.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.34 : 7,382.78 = 2,984.34 : x
  2. Step 2: Convert to fraction form
    4,928.34/7,382.78 = 2,984.34/x
  3. Step 3: Cross multiply
    4,928.34x = 7,382.78 × 2,984.34
  4. Step 4: Simplify right side
    4,928.34x = 22,032,725.67
  5. Step 5: Solve for x
    x = 22,032,725.67/4,928.34
  6. Step 6: Final answer
    x = 4,470.62

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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.