Home / 6,122.56-8,449.28-3,470.24

Finding the Fourth Proportional to 6,122.56, 8,449.28 and 3,470.24

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Solution

The fourth proportional to 6,122.56, 8,449.28 and 3,470.24 is: 4,789.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.56 : 8,449.28 = 3,470.24 : x
  2. Step 2: Convert to fraction form
    6,122.56/8,449.28 = 3,470.24/x
  3. Step 3: Cross multiply
    6,122.56x = 8,449.28 × 3,470.24
  4. Step 4: Simplify right side
    6,122.56x = 29,321,029.43
  5. Step 5: Solve for x
    x = 29,321,029.43/6,122.56
  6. Step 6: Final answer
    x = 4,789.01

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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.