Home / 2,076.22-3,115.41-844.54

Finding the Fourth Proportional to 2,076.22, 3,115.41 and 844.54

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Solution

The fourth proportional to 2,076.22, 3,115.41 and 844.54 is: 1,267.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.22 : 3,115.41 = 844.54 : x
  2. Step 2: Convert to fraction form
    2,076.22/3,115.41 = 844.54/x
  3. Step 3: Cross multiply
    2,076.22x = 3,115.41 × 844.54
  4. Step 4: Simplify right side
    2,076.22x = 2,631,088.36
  5. Step 5: Solve for x
    x = 2,631,088.36/2,076.22
  6. Step 6: Final answer
    x = 1,267.25

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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.