Home / 3,948.48-5,922.74-1,608.52

Finding the Fourth Proportional to 3,948.48, 5,922.74 and 1,608.52

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Solution

The fourth proportional to 3,948.48, 5,922.74 and 1,608.52 is: 2,412.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.48 : 5,922.74 = 1,608.52 : x
  2. Step 2: Convert to fraction form
    3,948.48/5,922.74 = 1,608.52/x
  3. Step 3: Cross multiply
    3,948.48x = 5,922.74 × 1,608.52
  4. Step 4: Simplify right side
    3,948.48x = 9,526,845.74
  5. Step 5: Solve for x
    x = 9,526,845.74/3,948.48
  6. Step 6: Final answer
    x = 2,412.79

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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.