Home / 2,634.85-3,637.55-1,796.78

Finding the Fourth Proportional to 2,634.85, 3,637.55 and 1,796.78

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Solution

The fourth proportional to 2,634.85, 3,637.55 and 1,796.78 is: 2,480.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.85 : 3,637.55 = 1,796.78 : x
  2. Step 2: Convert to fraction form
    2,634.85/3,637.55 = 1,796.78/x
  3. Step 3: Cross multiply
    2,634.85x = 3,637.55 × 1,796.78
  4. Step 4: Simplify right side
    2,634.85x = 6,535,885.62
  5. Step 5: Solve for x
    x = 6,535,885.62/2,634.85
  6. Step 6: Final answer
    x = 2,480.56

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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.