Home / 5,374.22-8,060.25-1,478.12

Finding the Fourth Proportional to 5,374.22, 8,060.25 and 1,478.12

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Solution

The fourth proportional to 5,374.22, 8,060.25 and 1,478.12 is: 2,216.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.22 : 8,060.25 = 1,478.12 : x
  2. Step 2: Convert to fraction form
    5,374.22/8,060.25 = 1,478.12/x
  3. Step 3: Cross multiply
    5,374.22x = 8,060.25 × 1,478.12
  4. Step 4: Simplify right side
    5,374.22x = 11,914,016.73
  5. Step 5: Solve for x
    x = 11,914,016.73/5,374.22
  6. Step 6: Final answer
    x = 2,216.88

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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.