Home / 4,422.20-6,195.40-4,422.20

Finding the Fourth Proportional to 4,422.20, 6,195.40 and 4,422.20

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Solution

The fourth proportional to 4,422.20, 6,195.40 and 4,422.20 is: 6,195.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,422.20 : 6,195.40 = 4,422.20 : x
  2. Step 2: Convert to fraction form
    4,422.20/6,195.40 = 4,422.20/x
  3. Step 3: Cross multiply
    4,422.20x = 6,195.40 × 4,422.20
  4. Step 4: Simplify right side
    4,422.20x = 27,397,297.88
  5. Step 5: Solve for x
    x = 27,397,297.88/4,422.20
  6. Step 6: Final answer
    x = 6,195.40

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Half scale
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Double scale
Find fourth proportional to 4,423.20, 6,196.80 and 4,423.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.