Home / 5,541.42-7,647.15-3,183.64

Finding the Fourth Proportional to 5,541.42, 7,647.15 and 3,183.64

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Solution

The fourth proportional to 5,541.42, 7,647.15 and 3,183.64 is: 4,393.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.42 : 7,647.15 = 3,183.64 : x
  2. Step 2: Convert to fraction form
    5,541.42/7,647.15 = 3,183.64/x
  3. Step 3: Cross multiply
    5,541.42x = 7,647.15 × 3,183.64
  4. Step 4: Simplify right side
    5,541.42x = 24,345,772.63
  5. Step 5: Solve for x
    x = 24,345,772.63/5,541.42
  6. Step 6: Final answer
    x = 4,393.42

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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.