Home / 5,550.24-7,662.48-3,689.76

Finding the Fourth Proportional to 5,550.24, 7,662.48 and 3,689.76

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Solution

The fourth proportional to 5,550.24, 7,662.48 and 3,689.76 is: 5,093.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.24 : 7,662.48 = 3,689.76 : x
  2. Step 2: Convert to fraction form
    5,550.24/7,662.48 = 3,689.76/x
  3. Step 3: Cross multiply
    5,550.24x = 7,662.48 × 3,689.76
  4. Step 4: Simplify right side
    5,550.24x = 28,272,712.20
  5. Step 5: Solve for x
    x = 28,272,712.20/5,550.24
  6. Step 6: Final answer
    x = 5,093.96

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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.