Home / 5,305.43-7,957.80-2,018.45

Finding the Fourth Proportional to 5,305.43, 7,957.80 and 2,018.45

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Solution

The fourth proportional to 5,305.43, 7,957.80 and 2,018.45 is: 3,027.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.43 : 7,957.80 = 2,018.45 : x
  2. Step 2: Convert to fraction form
    5,305.43/7,957.80 = 2,018.45/x
  3. Step 3: Cross multiply
    5,305.43x = 7,957.80 × 2,018.45
  4. Step 4: Simplify right side
    5,305.43x = 16,062,381.62
  5. Step 5: Solve for x
    x = 16,062,381.62/5,305.43
  6. Step 6: Final answer
    x = 3,027.54

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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.