Home / 4,185.98-6,278.96-1,719.06

Finding the Fourth Proportional to 4,185.98, 6,278.96 and 1,719.06

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Solution

The fourth proportional to 4,185.98, 6,278.96 and 1,719.06 is: 2,578.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.98 : 6,278.96 = 1,719.06 : x
  2. Step 2: Convert to fraction form
    4,185.98/6,278.96 = 1,719.06/x
  3. Step 3: Cross multiply
    4,185.98x = 6,278.96 × 1,719.06
  4. Step 4: Simplify right side
    4,185.98x = 10,793,908.98
  5. Step 5: Solve for x
    x = 10,793,908.98/4,185.98
  6. Step 6: Final answer
    x = 2,578.59

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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.