Home / 5,195.42-7,795.32-2,119.58

Finding the Fourth Proportional to 5,195.42, 7,795.32 and 2,119.58

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Solution

The fourth proportional to 5,195.42, 7,795.32 and 2,119.58 is: 3,180.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.42 : 7,795.32 = 2,119.58 : x
  2. Step 2: Convert to fraction form
    5,195.42/7,795.32 = 2,119.58/x
  3. Step 3: Cross multiply
    5,195.42x = 7,795.32 × 2,119.58
  4. Step 4: Simplify right side
    5,195.42x = 16,522,804.37
  5. Step 5: Solve for x
    x = 16,522,804.37/5,195.42
  6. Step 6: Final answer
    x = 3,180.26

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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.