Home / 8,980.14-13,470.43-3,057.02

Finding the Fourth Proportional to 8,980.14, 13,470.43 and 3,057.02

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Solution

The fourth proportional to 8,980.14, 13,470.43 and 3,057.02 is: 4,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.14 : 13,470.43 = 3,057.02 : x
  2. Step 2: Convert to fraction form
    8,980.14/13,470.43 = 3,057.02/x
  3. Step 3: Cross multiply
    8,980.14x = 13,470.43 × 3,057.02
  4. Step 4: Simplify right side
    8,980.14x = 41,179,306.57
  5. Step 5: Solve for x
    x = 41,179,306.57/8,980.14
  6. Step 6: Final answer
    x = 4,585.60

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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.