Home / 6,270.48-8,653.26-3,399.21

Finding the Fourth Proportional to 6,270.48, 8,653.26 and 3,399.21

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Solution

The fourth proportional to 6,270.48, 8,653.26 and 3,399.21 is: 4,690.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,270.48 : 8,653.26 = 3,399.21 : x
  2. Step 2: Convert to fraction form
    6,270.48/8,653.26 = 3,399.21/x
  3. Step 3: Cross multiply
    6,270.48x = 8,653.26 × 3,399.21
  4. Step 4: Simplify right side
    6,270.48x = 29,414,247.92
  5. Step 5: Solve for x
    x = 29,414,247.92/6,270.48
  6. Step 6: Final answer
    x = 4,690.91

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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.