Home / 6,672.80-10,015.47-3,388.25

Finding the Fourth Proportional to 6,672.80, 10,015.47 and 3,388.25

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Solution

The fourth proportional to 6,672.80, 10,015.47 and 3,388.25 is: 5,085.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,672.80 : 10,015.47 = 3,388.25 : x
  2. Step 2: Convert to fraction form
    6,672.80/10,015.47 = 3,388.25/x
  3. Step 3: Cross multiply
    6,672.80x = 10,015.47 × 3,388.25
  4. Step 4: Simplify right side
    6,672.80x = 33,934,916.23
  5. Step 5: Solve for x
    x = 33,934,916.23/6,672.80
  6. Step 6: Final answer
    x = 5,085.56

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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.