Home / 8,980.34-13,470.59-2,740.25

Finding the Fourth Proportional to 8,980.34, 13,470.59 and 2,740.25

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Solution

The fourth proportional to 8,980.34, 13,470.59 and 2,740.25 is: 4,110.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.34 : 13,470.59 = 2,740.25 : x
  2. Step 2: Convert to fraction form
    8,980.34/13,470.59 = 2,740.25/x
  3. Step 3: Cross multiply
    8,980.34x = 13,470.59 × 2,740.25
  4. Step 4: Simplify right side
    8,980.34x = 36,912,824.77
  5. Step 5: Solve for x
    x = 36,912,824.77/8,980.34
  6. Step 6: Final answer
    x = 4,110.41

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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.