Home / 3,772.67-5,205.33-2,765.84

Finding the Fourth Proportional to 3,772.67, 5,205.33 and 2,765.84

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Solution

The fourth proportional to 3,772.67, 5,205.33 and 2,765.84 is: 3,816.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772.67 : 5,205.33 = 2,765.84 : x
  2. Step 2: Convert to fraction form
    3,772.67/5,205.33 = 2,765.84/x
  3. Step 3: Cross multiply
    3,772.67x = 5,205.33 × 2,765.84
  4. Step 4: Simplify right side
    3,772.67x = 14,397,083.90
  5. Step 5: Solve for x
    x = 14,397,083.90/3,772.67
  6. Step 6: Final answer
    x = 3,816.16

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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.