Home / 3,882.80-5,355.37-2,465.26

Finding the Fourth Proportional to 3,882.80, 5,355.37 and 2,465.26

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Solution

The fourth proportional to 3,882.80, 5,355.37 and 2,465.26 is: 3,400.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.80 : 5,355.37 = 2,465.26 : x
  2. Step 2: Convert to fraction form
    3,882.80/5,355.37 = 2,465.26/x
  3. Step 3: Cross multiply
    3,882.80x = 5,355.37 × 2,465.26
  4. Step 4: Simplify right side
    3,882.80x = 13,202,372.22
  5. Step 5: Solve for x
    x = 13,202,372.22/3,882.80
  6. Step 6: Final answer
    x = 3,400.22

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1.5x scale

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.