Home / 5,181.86-7,773.33-1,719.38

Finding the Fourth Proportional to 5,181.86, 7,773.33 and 1,719.38

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Solution

The fourth proportional to 5,181.86, 7,773.33 and 1,719.38 is: 2,579.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.86 : 7,773.33 = 1,719.38 : x
  2. Step 2: Convert to fraction form
    5,181.86/7,773.33 = 1,719.38/x
  3. Step 3: Cross multiply
    5,181.86x = 7,773.33 × 1,719.38
  4. Step 4: Simplify right side
    5,181.86x = 13,365,308.14
  5. Step 5: Solve for x
    x = 13,365,308.14/5,181.86
  6. Step 6: Final answer
    x = 2,579.25

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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.