Home / 5,351.85-8,028.36-1,456.56

Finding the Fourth Proportional to 5,351.85, 8,028.36 and 1,456.56

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Solution

The fourth proportional to 5,351.85, 8,028.36 and 1,456.56 is: 2,185.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.85 : 8,028.36 = 1,456.56 : x
  2. Step 2: Convert to fraction form
    5,351.85/8,028.36 = 1,456.56/x
  3. Step 3: Cross multiply
    5,351.85x = 8,028.36 × 1,456.56
  4. Step 4: Simplify right side
    5,351.85x = 11,693,788.04
  5. Step 5: Solve for x
    x = 11,693,788.04/5,351.85
  6. Step 6: Final answer
    x = 2,185.00

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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.