Home / 5,183.14-7,741.68-4,688.79

Finding the Fourth Proportional to 5,183.14, 7,741.68 and 4,688.79

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Solution

The fourth proportional to 5,183.14, 7,741.68 and 4,688.79 is: 7,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.14 : 7,741.68 = 4,688.79 : x
  2. Step 2: Convert to fraction form
    5,183.14/7,741.68 = 4,688.79/x
  3. Step 3: Cross multiply
    5,183.14x = 7,741.68 × 4,688.79
  4. Step 4: Simplify right side
    5,183.14x = 36,299,065.15
  5. Step 5: Solve for x
    x = 36,299,065.15/5,183.14
  6. Step 6: Final answer
    x = 7,003.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.