Home / 5,795.68-7,985.52-3,929.44

Finding the Fourth Proportional to 5,795.68, 7,985.52 and 3,929.44

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Solution

The fourth proportional to 5,795.68, 7,985.52 and 3,929.44 is: 5,414.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,795.68 : 7,985.52 = 3,929.44 : x
  2. Step 2: Convert to fraction form
    5,795.68/7,985.52 = 3,929.44/x
  3. Step 3: Cross multiply
    5,795.68x = 7,985.52 × 3,929.44
  4. Step 4: Simplify right side
    5,795.68x = 31,378,621.71
  5. Step 5: Solve for x
    x = 31,378,621.71/5,795.68
  6. Step 6: Final answer
    x = 5,414.14

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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.