Home / 5,268.97-7,904.31-1,982.32

Finding the Fourth Proportional to 5,268.97, 7,904.31 and 1,982.32

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Solution

The fourth proportional to 5,268.97, 7,904.31 and 1,982.32 is: 2,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.97 : 7,904.31 = 1,982.32 : x
  2. Step 2: Convert to fraction form
    5,268.97/7,904.31 = 1,982.32/x
  3. Step 3: Cross multiply
    5,268.97x = 7,904.31 × 1,982.32
  4. Step 4: Simplify right side
    5,268.97x = 15,668,871.80
  5. Step 5: Solve for x
    x = 15,668,871.80/5,268.97
  6. Step 6: Final answer
    x = 2,973.80

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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.