Home / 3,435.12-5,172.72-2,467.92

Finding the Fourth Proportional to 3,435.12, 5,172.72 and 2,467.92

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Solution

The fourth proportional to 3,435.12, 5,172.72 and 2,467.92 is: 3,716.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.12 : 5,172.72 = 2,467.92 : x
  2. Step 2: Convert to fraction form
    3,435.12/5,172.72 = 2,467.92/x
  3. Step 3: Cross multiply
    3,435.12x = 5,172.72 × 2,467.92
  4. Step 4: Simplify right side
    3,435.12x = 12,765,859.14
  5. Step 5: Solve for x
    x = 12,765,859.14/3,435.12
  6. Step 6: Final answer
    x = 3,716.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.