Home / 5,739.75-7,918.82-3,751.46

Finding the Fourth Proportional to 5,739.75, 7,918.82 and 3,751.46

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Solution

The fourth proportional to 5,739.75, 7,918.82 and 3,751.46 is: 5,175.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739.75 : 7,918.82 = 3,751.46 : x
  2. Step 2: Convert to fraction form
    5,739.75/7,918.82 = 3,751.46/x
  3. Step 3: Cross multiply
    5,739.75x = 7,918.82 × 3,751.46
  4. Step 4: Simplify right side
    5,739.75x = 29,707,110.17
  5. Step 5: Solve for x
    x = 29,707,110.17/5,739.75
  6. Step 6: Final answer
    x = 5,175.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.