Home / 7,540.45-10,405.92-4,183.33

Finding the Fourth Proportional to 7,540.45, 10,405.92 and 4,183.33

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Solution

The fourth proportional to 7,540.45, 10,405.92 and 4,183.33 is: 5,773.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.45 : 10,405.92 = 4,183.33 : x
  2. Step 2: Convert to fraction form
    7,540.45/10,405.92 = 4,183.33/x
  3. Step 3: Cross multiply
    7,540.45x = 10,405.92 × 4,183.33
  4. Step 4: Simplify right side
    7,540.45x = 43,531,397.31
  5. Step 5: Solve for x
    x = 43,531,397.31/7,540.45
  6. Step 6: Final answer
    x = 5,773.05

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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.