Home / 3,201.61-4,802.82-1,556.77

Finding the Fourth Proportional to 3,201.61, 4,802.82 and 1,556.77

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Solution

The fourth proportional to 3,201.61, 4,802.82 and 1,556.77 is: 2,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.61 : 4,802.82 = 1,556.77 : x
  2. Step 2: Convert to fraction form
    3,201.61/4,802.82 = 1,556.77/x
  3. Step 3: Cross multiply
    3,201.61x = 4,802.82 × 1,556.77
  4. Step 4: Simplify right side
    3,201.61x = 7,476,886.09
  5. Step 5: Solve for x
    x = 7,476,886.09/3,201.61
  6. Step 6: Final answer
    x = 2,335.35

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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.