Home / 5,181.04-7,771.50-1,892.96

Finding the Fourth Proportional to 5,181.04, 7,771.50 and 1,892.96

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Solution

The fourth proportional to 5,181.04, 7,771.50 and 1,892.96 is: 2,839.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.04 : 7,771.50 = 1,892.96 : x
  2. Step 2: Convert to fraction form
    5,181.04/7,771.50 = 1,892.96/x
  3. Step 3: Cross multiply
    5,181.04x = 7,771.50 × 1,892.96
  4. Step 4: Simplify right side
    5,181.04x = 14,711,138.64
  5. Step 5: Solve for x
    x = 14,711,138.64/5,181.04
  6. Step 6: Final answer
    x = 2,839.42

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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.