Home / 7,379.61-10,183.87-4,022.36

Finding the Fourth Proportional to 7,379.61, 10,183.87 and 4,022.36

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Solution

The fourth proportional to 7,379.61, 10,183.87 and 4,022.36 is: 5,550.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.61 : 10,183.87 = 4,022.36 : x
  2. Step 2: Convert to fraction form
    7,379.61/10,183.87 = 4,022.36/x
  3. Step 3: Cross multiply
    7,379.61x = 10,183.87 × 4,022.36
  4. Step 4: Simplify right side
    7,379.61x = 40,963,130.36
  5. Step 5: Solve for x
    x = 40,963,130.36/7,379.61
  6. Step 6: Final answer
    x = 5,550.85

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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.