Home / 5,165.45-7,746.80-2,243.06

Finding the Fourth Proportional to 5,165.45, 7,746.80 and 2,243.06

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Solution

The fourth proportional to 5,165.45, 7,746.80 and 2,243.06 is: 3,363.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.45 : 7,746.80 = 2,243.06 : x
  2. Step 2: Convert to fraction form
    5,165.45/7,746.80 = 2,243.06/x
  3. Step 3: Cross multiply
    5,165.45x = 7,746.80 × 2,243.06
  4. Step 4: Simplify right side
    5,165.45x = 17,376,545.36
  5. Step 5: Solve for x
    x = 17,376,545.36/5,165.45
  6. Step 6: Final answer
    x = 3,363.99

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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.