Home / 7,379.15-10,183.29-4,021.97

Finding the Fourth Proportional to 7,379.15, 10,183.29 and 4,021.97

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Solution

The fourth proportional to 7,379.15, 10,183.29 and 4,021.97 is: 5,550.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.15 : 10,183.29 = 4,021.97 : x
  2. Step 2: Convert to fraction form
    7,379.15/10,183.29 = 4,021.97/x
  3. Step 3: Cross multiply
    7,379.15x = 10,183.29 × 4,021.97
  4. Step 4: Simplify right side
    7,379.15x = 40,956,820.88
  5. Step 5: Solve for x
    x = 40,956,820.88/7,379.15
  6. Step 6: Final answer
    x = 5,550.35

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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.