Home / 6,201.15-8,563.74-4,078.05

Finding the Fourth Proportional to 6,201.15, 8,563.74 and 4,078.05

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Solution

The fourth proportional to 6,201.15, 8,563.74 and 4,078.05 is: 5,631.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,201.15 : 8,563.74 = 4,078.05 : x
  2. Step 2: Convert to fraction form
    6,201.15/8,563.74 = 4,078.05/x
  3. Step 3: Cross multiply
    6,201.15x = 8,563.74 × 4,078.05
  4. Step 4: Simplify right side
    6,201.15x = 34,923,359.91
  5. Step 5: Solve for x
    x = 34,923,359.91/6,201.15
  6. Step 6: Final answer
    x = 5,631.76

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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.