Home / 4,928.25-7,388.73-2,980.02

Finding the Fourth Proportional to 4,928.25, 7,388.73 and 2,980.02

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Solution

The fourth proportional to 4,928.25, 7,388.73 and 2,980.02 is: 4,467.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.25 : 7,388.73 = 2,980.02 : x
  2. Step 2: Convert to fraction form
    4,928.25/7,388.73 = 2,980.02/x
  3. Step 3: Cross multiply
    4,928.25x = 7,388.73 × 2,980.02
  4. Step 4: Simplify right side
    4,928.25x = 22,018,563.17
  5. Step 5: Solve for x
    x = 22,018,563.17/4,928.25
  6. Step 6: Final answer
    x = 4,467.83

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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.