Home / 5,967.80-8,235.24-3,728.96

Finding the Fourth Proportional to 5,967.80, 8,235.24 and 3,728.96

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Solution

The fourth proportional to 5,967.80, 8,235.24 and 3,728.96 is: 5,145.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,967.80 : 8,235.24 = 3,728.96 : x
  2. Step 2: Convert to fraction form
    5,967.80/8,235.24 = 3,728.96/x
  3. Step 3: Cross multiply
    5,967.80x = 8,235.24 × 3,728.96
  4. Step 4: Simplify right side
    5,967.80x = 30,708,880.55
  5. Step 5: Solve for x
    x = 30,708,880.55/5,967.80
  6. Step 6: Final answer
    x = 5,145.76

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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.