Home / 3,971.76-5,951.16-3,820.08

Finding the Fourth Proportional to 3,971.76, 5,951.16 and 3,820.08

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Solution

The fourth proportional to 3,971.76, 5,951.16 and 3,820.08 is: 5,723.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.76 : 5,951.16 = 3,820.08 : x
  2. Step 2: Convert to fraction form
    3,971.76/5,951.16 = 3,820.08/x
  3. Step 3: Cross multiply
    3,971.76x = 5,951.16 × 3,820.08
  4. Step 4: Simplify right side
    3,971.76x = 22,733,907.29
  5. Step 5: Solve for x
    x = 22,733,907.29/3,971.76
  6. Step 6: Final answer
    x = 5,723.89

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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.