Home / 6,720.82-10,083.27-3,436.22

Finding the Fourth Proportional to 6,720.82, 10,083.27 and 3,436.22

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Solution

The fourth proportional to 6,720.82, 10,083.27 and 3,436.22 is: 5,155.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.82 : 10,083.27 = 3,436.22 : x
  2. Step 2: Convert to fraction form
    6,720.82/10,083.27 = 3,436.22/x
  3. Step 3: Cross multiply
    6,720.82x = 10,083.27 × 3,436.22
  4. Step 4: Simplify right side
    6,720.82x = 34,648,315.41
  5. Step 5: Solve for x
    x = 34,648,315.41/6,720.82
  6. Step 6: Final answer
    x = 5,155.37

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1.5x scale

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.