Home / 2,227.54-3,072.79-1,554.29

Finding the Fourth Proportional to 2,227.54, 3,072.79 and 1,554.29

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Solution

The fourth proportional to 2,227.54, 3,072.79 and 1,554.29 is: 2,144.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.54 : 3,072.79 = 1,554.29 : x
  2. Step 2: Convert to fraction form
    2,227.54/3,072.79 = 1,554.29/x
  3. Step 3: Cross multiply
    2,227.54x = 3,072.79 × 1,554.29
  4. Step 4: Simplify right side
    2,227.54x = 4,775,999.00
  5. Step 5: Solve for x
    x = 4,775,999.00/2,227.54
  6. Step 6: Final answer
    x = 2,144.07

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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.