Home / 5,986.44-8,261.58-3,628.80

Finding the Fourth Proportional to 5,986.44, 8,261.58 and 3,628.80

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Solution

The fourth proportional to 5,986.44, 8,261.58 and 3,628.80 is: 5,007.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986.44 : 8,261.58 = 3,628.80 : x
  2. Step 2: Convert to fraction form
    5,986.44/8,261.58 = 3,628.80/x
  3. Step 3: Cross multiply
    5,986.44x = 8,261.58 × 3,628.80
  4. Step 4: Simplify right side
    5,986.44x = 29,979,621.50
  5. Step 5: Solve for x
    x = 29,979,621.50/5,986.44
  6. Step 6: Final answer
    x = 5,007.92

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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.