Home / 2,479.51-3,717.44-1,181.89

Finding the Fourth Proportional to 2,479.51, 3,717.44 and 1,181.89

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Solution

The fourth proportional to 2,479.51, 3,717.44 and 1,181.89 is: 1,771.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.51 : 3,717.44 = 1,181.89 : x
  2. Step 2: Convert to fraction form
    2,479.51/3,717.44 = 1,181.89/x
  3. Step 3: Cross multiply
    2,479.51x = 3,717.44 × 1,181.89
  4. Step 4: Simplify right side
    2,479.51x = 4,393,580.66
  5. Step 5: Solve for x
    x = 4,393,580.66/2,479.51
  6. Step 6: Final answer
    x = 1,771.96

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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.