Home / 6,078.24-8,388.36-3,424.68

Finding the Fourth Proportional to 6,078.24, 8,388.36 and 3,424.68

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Solution

The fourth proportional to 6,078.24, 8,388.36 and 3,424.68 is: 4,726.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.24 : 8,388.36 = 3,424.68 : x
  2. Step 2: Convert to fraction form
    6,078.24/8,388.36 = 3,424.68/x
  3. Step 3: Cross multiply
    6,078.24x = 8,388.36 × 3,424.68
  4. Step 4: Simplify right side
    6,078.24x = 28,727,448.72
  5. Step 5: Solve for x
    x = 28,727,448.72/6,078.24
  6. Step 6: Final answer
    x = 4,726.28

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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.