Home / 4,929.45-6,802.38-2,691.32

Finding the Fourth Proportional to 4,929.45, 6,802.38 and 2,691.32

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Solution

The fourth proportional to 4,929.45, 6,802.38 and 2,691.32 is: 3,713.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.45 : 6,802.38 = 2,691.32 : x
  2. Step 2: Convert to fraction form
    4,929.45/6,802.38 = 2,691.32/x
  3. Step 3: Cross multiply
    4,929.45x = 6,802.38 × 2,691.32
  4. Step 4: Simplify right side
    4,929.45x = 18,307,347.33
  5. Step 5: Solve for x
    x = 18,307,347.33/4,929.45
  6. Step 6: Final answer
    x = 3,713.87

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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.