Home / 4,927.79-7,387.75-2,845.43

Finding the Fourth Proportional to 4,927.79, 7,387.75 and 2,845.43

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Solution

The fourth proportional to 4,927.79, 7,387.75 and 2,845.43 is: 4,265.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.79 : 7,387.75 = 2,845.43 : x
  2. Step 2: Convert to fraction form
    4,927.79/7,387.75 = 2,845.43/x
  3. Step 3: Cross multiply
    4,927.79x = 7,387.75 × 2,845.43
  4. Step 4: Simplify right side
    4,927.79x = 21,021,288.54
  5. Step 5: Solve for x
    x = 21,021,288.54/4,927.79
  6. Step 6: Final answer
    x = 4,265.87

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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.