Home / 5,229.44-7,216.73-2,991.51

Finding the Fourth Proportional to 5,229.44, 7,216.73 and 2,991.51

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Solution

The fourth proportional to 5,229.44, 7,216.73 and 2,991.51 is: 4,128.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.44 : 7,216.73 = 2,991.51 : x
  2. Step 2: Convert to fraction form
    5,229.44/7,216.73 = 2,991.51/x
  3. Step 3: Cross multiply
    5,229.44x = 7,216.73 × 2,991.51
  4. Step 4: Simplify right side
    5,229.44x = 21,588,905.00
  5. Step 5: Solve for x
    x = 21,588,905.00/5,229.44
  6. Step 6: Final answer
    x = 4,128.34

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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.