Home / 2,309.56-3,185.38-2,044.28

Finding the Fourth Proportional to 2,309.56, 3,185.38 and 2,044.28

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Solution

The fourth proportional to 2,309.56, 3,185.38 and 2,044.28 is: 2,819.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309.56 : 3,185.38 = 2,044.28 : x
  2. Step 2: Convert to fraction form
    2,309.56/3,185.38 = 2,044.28/x
  3. Step 3: Cross multiply
    2,309.56x = 3,185.38 × 2,044.28
  4. Step 4: Simplify right side
    2,309.56x = 6,511,808.63
  5. Step 5: Solve for x
    x = 6,511,808.63/2,309.56
  6. Step 6: Final answer
    x = 2,819.50

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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.