Home / 5,097.29-7,647.56-2,905.43

Finding the Fourth Proportional to 5,097.29, 7,647.56 and 2,905.43

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Solution

The fourth proportional to 5,097.29, 7,647.56 and 2,905.43 is: 4,359.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,097.29 : 7,647.56 = 2,905.43 : x
  2. Step 2: Convert to fraction form
    5,097.29/7,647.56 = 2,905.43/x
  3. Step 3: Cross multiply
    5,097.29x = 7,647.56 × 2,905.43
  4. Step 4: Simplify right side
    5,097.29x = 22,219,435.72
  5. Step 5: Solve for x
    x = 22,219,435.72/5,097.29
  6. Step 6: Final answer
    x = 4,359.07

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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.