Home / 5,183.16-7,774.72-4,315.64

Finding the Fourth Proportional to 5,183.16, 7,774.72 and 4,315.64

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Solution

The fourth proportional to 5,183.16, 7,774.72 and 4,315.64 is: 6,473.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.16 : 7,774.72 = 4,315.64 : x
  2. Step 2: Convert to fraction form
    5,183.16/7,774.72 = 4,315.64/x
  3. Step 3: Cross multiply
    5,183.16x = 7,774.72 × 4,315.64
  4. Step 4: Simplify right side
    5,183.16x = 33,552,892.62
  5. Step 5: Solve for x
    x = 33,552,892.62/5,183.16
  6. Step 6: Final answer
    x = 6,473.44

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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.