Home / 8,980.24-13,471.05-2,740.30

Finding the Fourth Proportional to 8,980.24, 13,471.05 and 2,740.30

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Solution

The fourth proportional to 8,980.24, 13,471.05 and 2,740.30 is: 4,110.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.24 : 13,471.05 = 2,740.30 : x
  2. Step 2: Convert to fraction form
    8,980.24/13,471.05 = 2,740.30/x
  3. Step 3: Cross multiply
    8,980.24x = 13,471.05 × 2,740.30
  4. Step 4: Simplify right side
    8,980.24x = 36,914,721.40
  5. Step 5: Solve for x
    x = 36,914,721.40/8,980.24
  6. Step 6: Final answer
    x = 4,110.66

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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.