Home / 5,541.92-7,647.28-3,183.60

Finding the Fourth Proportional to 5,541.92, 7,647.28 and 3,183.60

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Solution

The fourth proportional to 5,541.92, 7,647.28 and 3,183.60 is: 4,393.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.92 : 7,647.28 = 3,183.60 : x
  2. Step 2: Convert to fraction form
    5,541.92/7,647.28 = 3,183.60/x
  3. Step 3: Cross multiply
    5,541.92x = 7,647.28 × 3,183.60
  4. Step 4: Simplify right side
    5,541.92x = 24,345,880.61
  5. Step 5: Solve for x
    x = 24,345,880.61/5,541.92
  6. Step 6: Final answer
    x = 4,393.04

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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.