Home / 5,351.44-7,385.40-2,993.68

Finding the Fourth Proportional to 5,351.44, 7,385.40 and 2,993.68

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Solution

The fourth proportional to 5,351.44, 7,385.40 and 2,993.68 is: 4,131.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.44 : 7,385.40 = 2,993.68 : x
  2. Step 2: Convert to fraction form
    5,351.44/7,385.40 = 2,993.68/x
  3. Step 3: Cross multiply
    5,351.44x = 7,385.40 × 2,993.68
  4. Step 4: Simplify right side
    5,351.44x = 22,109,524.27
  5. Step 5: Solve for x
    x = 22,109,524.27/5,351.44
  6. Step 6: Final answer
    x = 4,131.51

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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.