Home / 2,927.78-4,040.33-1,601.49

Finding the Fourth Proportional to 2,927.78, 4,040.33 and 1,601.49

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Solution

The fourth proportional to 2,927.78, 4,040.33 and 1,601.49 is: 2,210.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.78 : 4,040.33 = 1,601.49 : x
  2. Step 2: Convert to fraction form
    2,927.78/4,040.33 = 1,601.49/x
  3. Step 3: Cross multiply
    2,927.78x = 4,040.33 × 1,601.49
  4. Step 4: Simplify right side
    2,927.78x = 6,470,548.09
  5. Step 5: Solve for x
    x = 6,470,548.09/2,927.78
  6. Step 6: Final answer
    x = 2,210.06

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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.