Home / 5,789.80-7,989.44-3,272.13

Finding the Fourth Proportional to 5,789.80, 7,989.44 and 3,272.13

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Solution

The fourth proportional to 5,789.80, 7,989.44 and 3,272.13 is: 4,515.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.80 : 7,989.44 = 3,272.13 : x
  2. Step 2: Convert to fraction form
    5,789.80/7,989.44 = 3,272.13/x
  3. Step 3: Cross multiply
    5,789.80x = 7,989.44 × 3,272.13
  4. Step 4: Simplify right side
    5,789.80x = 26,142,446.36
  5. Step 5: Solve for x
    x = 26,142,446.36/5,789.80
  6. Step 6: Final answer
    x = 4,515.26

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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.