Home / 3,660.22-5,485.47-3,170.98

Finding the Fourth Proportional to 3,660.22, 5,485.47 and 3,170.98

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Solution

The fourth proportional to 3,660.22, 5,485.47 and 3,170.98 is: 4,752.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.22 : 5,485.47 = 3,170.98 : x
  2. Step 2: Convert to fraction form
    3,660.22/5,485.47 = 3,170.98/x
  3. Step 3: Cross multiply
    3,660.22x = 5,485.47 × 3,170.98
  4. Step 4: Simplify right side
    3,660.22x = 17,394,315.66
  5. Step 5: Solve for x
    x = 17,394,315.66/3,660.22
  6. Step 6: Final answer
    x = 4,752.26

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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.