Home / 6,169.80-8,515.26-3,932.58

Finding the Fourth Proportional to 6,169.80, 8,515.26 and 3,932.58

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Solution

The fourth proportional to 6,169.80, 8,515.26 and 3,932.58 is: 5,427.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,169.80 : 8,515.26 = 3,932.58 : x
  2. Step 2: Convert to fraction form
    6,169.80/8,515.26 = 3,932.58/x
  3. Step 3: Cross multiply
    6,169.80x = 8,515.26 × 3,932.58
  4. Step 4: Simplify right side
    6,169.80x = 33,486,941.17
  5. Step 5: Solve for x
    x = 33,486,941.17/6,169.80
  6. Step 6: Final answer
    x = 5,427.56

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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.