Home / 6,422.40-9,633.60-2,267.10

Finding the Fourth Proportional to 6,422.40, 9,633.60 and 2,267.10

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Solution

The fourth proportional to 6,422.40, 9,633.60 and 2,267.10 is: 3,400.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.40 : 9,633.60 = 2,267.10 : x
  2. Step 2: Convert to fraction form
    6,422.40/9,633.60 = 2,267.10/x
  3. Step 3: Cross multiply
    6,422.40x = 9,633.60 × 2,267.10
  4. Step 4: Simplify right side
    6,422.40x = 21,840,334.56
  5. Step 5: Solve for x
    x = 21,840,334.56/6,422.40
  6. Step 6: Final answer
    x = 3,400.65

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Half scale
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Similar ratio
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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.