Home / 4,078.94-6,107.42-2,127.02

Finding the Fourth Proportional to 4,078.94, 6,107.42 and 2,127.02

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Solution

The fourth proportional to 4,078.94, 6,107.42 and 2,127.02 is: 3,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.94 : 6,107.42 = 2,127.02 : x
  2. Step 2: Convert to fraction form
    4,078.94/6,107.42 = 2,127.02/x
  3. Step 3: Cross multiply
    4,078.94x = 6,107.42 × 2,127.02
  4. Step 4: Simplify right side
    4,078.94x = 12,990,579.27
  5. Step 5: Solve for x
    x = 12,990,579.27/4,078.94
  6. Step 6: Final answer
    x = 3,184.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.