Home / 4,186.05-6,279.18-1,719.14

Finding the Fourth Proportional to 4,186.05, 6,279.18 and 1,719.14

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Solution

The fourth proportional to 4,186.05, 6,279.18 and 1,719.14 is: 2,578.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.05 : 6,279.18 = 1,719.14 : x
  2. Step 2: Convert to fraction form
    4,186.05/6,279.18 = 1,719.14/x
  3. Step 3: Cross multiply
    4,186.05x = 6,279.18 × 1,719.14
  4. Step 4: Simplify right side
    4,186.05x = 10,794,751.66
  5. Step 5: Solve for x
    x = 10,794,751.66/4,186.05
  6. Step 6: Final answer
    x = 2,578.75

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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.