Home / 6,078.16-8,388.24-3,425.68

Finding the Fourth Proportional to 6,078.16, 8,388.24 and 3,425.68

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Solution

The fourth proportional to 6,078.16, 8,388.24 and 3,425.68 is: 4,727.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.16 : 8,388.24 = 3,425.68 : x
  2. Step 2: Convert to fraction form
    6,078.16/8,388.24 = 3,425.68/x
  3. Step 3: Cross multiply
    6,078.16x = 8,388.24 × 3,425.68
  4. Step 4: Simplify right side
    6,078.16x = 28,735,426.00
  5. Step 5: Solve for x
    x = 28,735,426.00/6,078.16
  6. Step 6: Final answer
    x = 4,727.65

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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.