Home / 8,980.25-13,470.33-2,740.24

Finding the Fourth Proportional to 8,980.25, 13,470.33 and 2,740.24

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Solution

The fourth proportional to 8,980.25, 13,470.33 and 2,740.24 is: 4,110.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.25 : 13,470.33 = 2,740.24 : x
  2. Step 2: Convert to fraction form
    8,980.25/13,470.33 = 2,740.24/x
  3. Step 3: Cross multiply
    8,980.25x = 13,470.33 × 2,740.24
  4. Step 4: Simplify right side
    8,980.25x = 36,911,906.32
  5. Step 5: Solve for x
    x = 36,911,906.32/8,980.25
  6. Step 6: Final answer
    x = 4,110.34

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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.