Home / 5,455.48-8,183.28-4,086.64

Finding the Fourth Proportional to 5,455.48, 8,183.28 and 4,086.64

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Solution

The fourth proportional to 5,455.48, 8,183.28 and 4,086.64 is: 6,130.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.48 : 8,183.28 = 4,086.64 : x
  2. Step 2: Convert to fraction form
    5,455.48/8,183.28 = 4,086.64/x
  3. Step 3: Cross multiply
    5,455.48x = 8,183.28 × 4,086.64
  4. Step 4: Simplify right side
    5,455.48x = 33,442,119.38
  5. Step 5: Solve for x
    x = 33,442,119.38/5,455.48
  6. Step 6: Final answer
    x = 6,130.00

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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.