Home / 5,629.80-7,760.59-3,738.04

Finding the Fourth Proportional to 5,629.80, 7,760.59 and 3,738.04

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Solution

The fourth proportional to 5,629.80, 7,760.59 and 3,738.04 is: 5,152.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.80 : 7,760.59 = 3,738.04 : x
  2. Step 2: Convert to fraction form
    5,629.80/7,760.59 = 3,738.04/x
  3. Step 3: Cross multiply
    5,629.80x = 7,760.59 × 3,738.04
  4. Step 4: Simplify right side
    5,629.80x = 29,009,395.84
  5. Step 5: Solve for x
    x = 29,009,395.84/5,629.80
  6. Step 6: Final answer
    x = 5,152.83

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