Home / 4,159.70-6,238.82-1,819.26

Finding the Fourth Proportional to 4,159.70, 6,238.82 and 1,819.26

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Solution

The fourth proportional to 4,159.70, 6,238.82 and 1,819.26 is: 2,728.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.70 : 6,238.82 = 1,819.26 : x
  2. Step 2: Convert to fraction form
    4,159.70/6,238.82 = 1,819.26/x
  3. Step 3: Cross multiply
    4,159.70x = 6,238.82 × 1,819.26
  4. Step 4: Simplify right side
    4,159.70x = 11,350,040.22
  5. Step 5: Solve for x
    x = 11,350,040.22/4,159.70
  6. Step 6: Final answer
    x = 2,728.57

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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.