Home / 2,938.26-4,054.83-1,819.74

Finding the Fourth Proportional to 2,938.26, 4,054.83 and 1,819.74

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Solution

The fourth proportional to 2,938.26, 4,054.83 and 1,819.74 is: 2,511.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.26 : 4,054.83 = 1,819.74 : x
  2. Step 2: Convert to fraction form
    2,938.26/4,054.83 = 1,819.74/x
  3. Step 3: Cross multiply
    2,938.26x = 4,054.83 × 1,819.74
  4. Step 4: Simplify right side
    2,938.26x = 7,378,736.34
  5. Step 5: Solve for x
    x = 7,378,736.34/2,938.26
  6. Step 6: Final answer
    x = 2,511.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.