Home / 5,552.24-7,668.39-3,780.77

Finding the Fourth Proportional to 5,552.24, 7,668.39 and 3,780.77

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Solution

The fourth proportional to 5,552.24, 7,668.39 and 3,780.77 is: 5,221.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,552.24 : 7,668.39 = 3,780.77 : x
  2. Step 2: Convert to fraction form
    5,552.24/7,668.39 = 3,780.77/x
  3. Step 3: Cross multiply
    5,552.24x = 7,668.39 × 3,780.77
  4. Step 4: Simplify right side
    5,552.24x = 28,992,418.86
  5. Step 5: Solve for x
    x = 28,992,418.86/5,552.24
  6. Step 6: Final answer
    x = 5,221.75

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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.