Home / 5,231.95-7,219.66-2,993.97

Finding the Fourth Proportional to 5,231.95, 7,219.66 and 2,993.97

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Solution

The fourth proportional to 5,231.95, 7,219.66 and 2,993.97 is: 4,131.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.95 : 7,219.66 = 2,993.97 : x
  2. Step 2: Convert to fraction form
    5,231.95/7,219.66 = 2,993.97/x
  3. Step 3: Cross multiply
    5,231.95x = 7,219.66 × 2,993.97
  4. Step 4: Simplify right side
    5,231.95x = 21,615,445.64
  5. Step 5: Solve for x
    x = 21,615,445.64/5,231.95
  6. Step 6: Final answer
    x = 4,131.43

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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.