Home / 7,550.20-10,418.77-4,192.86

Finding the Fourth Proportional to 7,550.20, 10,418.77 and 4,192.86

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Solution

The fourth proportional to 7,550.20, 10,418.77 and 4,192.86 is: 5,785.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,550.20 : 10,418.77 = 4,192.86 : x
  2. Step 2: Convert to fraction form
    7,550.20/10,418.77 = 4,192.86/x
  3. Step 3: Cross multiply
    7,550.20x = 10,418.77 × 4,192.86
  4. Step 4: Simplify right side
    7,550.20x = 43,684,443.98
  5. Step 5: Solve for x
    x = 43,684,443.98/7,550.20
  6. Step 6: Final answer
    x = 5,785.87

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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.