Home / 5,183.76-7,774.49-1,485.16

Finding the Fourth Proportional to 5,183.76, 7,774.49 and 1,485.16

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Solution

The fourth proportional to 5,183.76, 7,774.49 and 1,485.16 is: 2,227.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.76 : 7,774.49 = 1,485.16 : x
  2. Step 2: Convert to fraction form
    5,183.76/7,774.49 = 1,485.16/x
  3. Step 3: Cross multiply
    5,183.76x = 7,774.49 × 1,485.16
  4. Step 4: Simplify right side
    5,183.76x = 11,546,354.14
  5. Step 5: Solve for x
    x = 11,546,354.14/5,183.76
  6. Step 6: Final answer
    x = 2,227.41

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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.