Home / 5,183.49-7,157.95-3,775.31

Finding the Fourth Proportional to 5,183.49, 7,157.95 and 3,775.31

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Solution

The fourth proportional to 5,183.49, 7,157.95 and 3,775.31 is: 5,213.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.49 : 7,157.95 = 3,775.31 : x
  2. Step 2: Convert to fraction form
    5,183.49/7,157.95 = 3,775.31/x
  3. Step 3: Cross multiply
    5,183.49x = 7,157.95 × 3,775.31
  4. Step 4: Simplify right side
    5,183.49x = 27,023,444.42
  5. Step 5: Solve for x
    x = 27,023,444.42/5,183.49
  6. Step 6: Final answer
    x = 5,213.37

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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.