Home / 7,183.92-10,768.20-4,100.40

Finding the Fourth Proportional to 7,183.92, 10,768.20 and 4,100.40

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Solution

The fourth proportional to 7,183.92, 10,768.20 and 4,100.40 is: 6,146.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183.92 : 10,768.20 = 4,100.40 : x
  2. Step 2: Convert to fraction form
    7,183.92/10,768.20 = 4,100.40/x
  3. Step 3: Cross multiply
    7,183.92x = 10,768.20 × 4,100.40
  4. Step 4: Simplify right side
    7,183.92x = 44,153,927.28
  5. Step 5: Solve for x
    x = 44,153,927.28/7,183.92
  6. Step 6: Final answer
    x = 6,146.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.