Home / 3,792.08-5,687.76-1,326.44

Finding the Fourth Proportional to 3,792.08, 5,687.76 and 1,326.44

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Solution

The fourth proportional to 3,792.08, 5,687.76 and 1,326.44 is: 1,989.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.08 : 5,687.76 = 1,326.44 : x
  2. Step 2: Convert to fraction form
    3,792.08/5,687.76 = 1,326.44/x
  3. Step 3: Cross multiply
    3,792.08x = 5,687.76 × 1,326.44
  4. Step 4: Simplify right side
    3,792.08x = 7,544,472.37
  5. Step 5: Solve for x
    x = 7,544,472.37/3,792.08
  6. Step 6: Final answer
    x = 1,989.53

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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.