Home / 4,982.56-7,470.60-3,228.64

Finding the Fourth Proportional to 4,982.56, 7,470.60 and 3,228.64

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Solution

The fourth proportional to 4,982.56, 7,470.60 and 3,228.64 is: 4,840.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.56 : 7,470.60 = 3,228.64 : x
  2. Step 2: Convert to fraction form
    4,982.56/7,470.60 = 3,228.64/x
  3. Step 3: Cross multiply
    4,982.56x = 7,470.60 × 3,228.64
  4. Step 4: Simplify right side
    4,982.56x = 24,119,877.98
  5. Step 5: Solve for x
    x = 24,119,877.98/4,982.56
  6. Step 6: Final answer
    x = 4,840.86

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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.