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Finding the Fourth Proportional to 5,183.45, 7,803.18 and 4,724.18

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Solution

The fourth proportional to 5,183.45, 7,803.18 and 4,724.18 is: 7,111.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.45 : 7,803.18 = 4,724.18 : x
  2. Step 2: Convert to fraction form
    5,183.45/7,803.18 = 4,724.18/x
  3. Step 3: Cross multiply
    5,183.45x = 7,803.18 × 4,724.18
  4. Step 4: Simplify right side
    5,183.45x = 36,863,603.27
  5. Step 5: Solve for x
    x = 36,863,603.27/5,183.45
  6. Step 6: Final answer
    x = 7,111.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.