Home / 2,926.62-4,034.79-1,876.86

Finding the Fourth Proportional to 2,926.62, 4,034.79 and 1,876.86

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Solution

The fourth proportional to 2,926.62, 4,034.79 and 1,876.86 is: 2,587.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.62 : 4,034.79 = 1,876.86 : x
  2. Step 2: Convert to fraction form
    2,926.62/4,034.79 = 1,876.86/x
  3. Step 3: Cross multiply
    2,926.62x = 4,034.79 × 1,876.86
  4. Step 4: Simplify right side
    2,926.62x = 7,572,735.96
  5. Step 5: Solve for x
    x = 7,572,735.96/2,926.62
  6. Step 6: Final answer
    x = 2,587.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.