Home / 4,929.61-6,802.56-2,691.03

Finding the Fourth Proportional to 4,929.61, 6,802.56 and 2,691.03

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Solution

The fourth proportional to 4,929.61, 6,802.56 and 2,691.03 is: 3,713.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.61 : 6,802.56 = 2,691.03 : x
  2. Step 2: Convert to fraction form
    4,929.61/6,802.56 = 2,691.03/x
  3. Step 3: Cross multiply
    4,929.61x = 6,802.56 × 2,691.03
  4. Step 4: Simplify right side
    4,929.61x = 18,305,879.58
  5. Step 5: Solve for x
    x = 18,305,879.58/4,929.61
  6. Step 6: Final answer
    x = 3,713.45

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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.