Home / 5,945.48-8,917.56-2,389.13

Finding the Fourth Proportional to 5,945.48, 8,917.56 and 2,389.13

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Solution

The fourth proportional to 5,945.48, 8,917.56 and 2,389.13 is: 3,583.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,945.48 : 8,917.56 = 2,389.13 : x
  2. Step 2: Convert to fraction form
    5,945.48/8,917.56 = 2,389.13/x
  3. Step 3: Cross multiply
    5,945.48x = 8,917.56 × 2,389.13
  4. Step 4: Simplify right side
    5,945.48x = 21,305,165.54
  5. Step 5: Solve for x
    x = 21,305,165.54/5,945.48
  6. Step 6: Final answer
    x = 3,583.43

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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.