Home / 4,982.12-7,470.96-1,518.56

Finding the Fourth Proportional to 4,982.12, 7,470.96 and 1,518.56

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Solution

The fourth proportional to 4,982.12, 7,470.96 and 1,518.56 is: 2,277.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.12 : 7,470.96 = 1,518.56 : x
  2. Step 2: Convert to fraction form
    4,982.12/7,470.96 = 1,518.56/x
  3. Step 3: Cross multiply
    4,982.12x = 7,470.96 × 1,518.56
  4. Step 4: Simplify right side
    4,982.12x = 11,345,101.02
  5. Step 5: Solve for x
    x = 11,345,101.02/4,982.12
  6. Step 6: Final answer
    x = 2,277.16

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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.