Home / 3,201.51-4,801.92-1,009.05

Finding the Fourth Proportional to 3,201.51, 4,801.92 and 1,009.05

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Solution

The fourth proportional to 3,201.51, 4,801.92 and 1,009.05 is: 1,513.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.51 : 4,801.92 = 1,009.05 : x
  2. Step 2: Convert to fraction form
    3,201.51/4,801.92 = 1,009.05/x
  3. Step 3: Cross multiply
    3,201.51x = 4,801.92 × 1,009.05
  4. Step 4: Simplify right side
    3,201.51x = 4,845,377.38
  5. Step 5: Solve for x
    x = 4,845,377.38/3,201.51
  6. Step 6: Final answer
    x = 1,513.47

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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.