Home / 5,183.66-7,153.64-2,945.46

Finding the Fourth Proportional to 5,183.66, 7,153.64 and 2,945.46

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Solution

The fourth proportional to 5,183.66, 7,153.64 and 2,945.46 is: 4,064.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.66 : 7,153.64 = 2,945.46 : x
  2. Step 2: Convert to fraction form
    5,183.66/7,153.64 = 2,945.46/x
  3. Step 3: Cross multiply
    5,183.66x = 7,153.64 × 2,945.46
  4. Step 4: Simplify right side
    5,183.66x = 21,070,783.62
  5. Step 5: Solve for x
    x = 21,070,783.62/5,183.66
  6. Step 6: Final answer
    x = 4,064.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.