Home / 5,180.14-7,768.59-1,892.49

Finding the Fourth Proportional to 5,180.14, 7,768.59 and 1,892.49

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Solution

The fourth proportional to 5,180.14, 7,768.59 and 1,892.49 is: 2,838.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.14 : 7,768.59 = 1,892.49 : x
  2. Step 2: Convert to fraction form
    5,180.14/7,768.59 = 1,892.49/x
  3. Step 3: Cross multiply
    5,180.14x = 7,768.59 × 1,892.49
  4. Step 4: Simplify right side
    5,180.14x = 14,701,978.89
  5. Step 5: Solve for x
    x = 14,701,978.89/5,180.14
  6. Step 6: Final answer
    x = 2,838.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.