Home / 4,196.12-6,294.40-1,422.88

Finding the Fourth Proportional to 4,196.12, 6,294.40 and 1,422.88

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Solution

The fourth proportional to 4,196.12, 6,294.40 and 1,422.88 is: 2,134.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,196.12 : 6,294.40 = 1,422.88 : x
  2. Step 2: Convert to fraction form
    4,196.12/6,294.40 = 1,422.88/x
  3. Step 3: Cross multiply
    4,196.12x = 6,294.40 × 1,422.88
  4. Step 4: Simplify right side
    4,196.12x = 8,956,175.87
  5. Step 5: Solve for x
    x = 8,956,175.87/4,196.12
  6. Step 6: Final answer
    x = 2,134.39

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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.