Home / 4,880.95-7,321.43-1,183.19

Finding the Fourth Proportional to 4,880.95, 7,321.43 and 1,183.19

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Solution

The fourth proportional to 4,880.95, 7,321.43 and 1,183.19 is: 1,774.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.95 : 7,321.43 = 1,183.19 : x
  2. Step 2: Convert to fraction form
    4,880.95/7,321.43 = 1,183.19/x
  3. Step 3: Cross multiply
    4,880.95x = 7,321.43 × 1,183.19
  4. Step 4: Simplify right side
    4,880.95x = 8,662,609.11
  5. Step 5: Solve for x
    x = 8,662,609.11/4,880.95
  6. Step 6: Final answer
    x = 1,774.78

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Double scale
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Similar ratio
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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.