Home / 5,416.21-7,474.39-2,932.21

Finding the Fourth Proportional to 5,416.21, 7,474.39 and 2,932.21

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Solution

The fourth proportional to 5,416.21, 7,474.39 and 2,932.21 is: 4,046.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.21 : 7,474.39 = 2,932.21 : x
  2. Step 2: Convert to fraction form
    5,416.21/7,474.39 = 2,932.21/x
  3. Step 3: Cross multiply
    5,416.21x = 7,474.39 × 2,932.21
  4. Step 4: Simplify right side
    5,416.21x = 21,916,481.10
  5. Step 5: Solve for x
    x = 21,916,481.10/5,416.21
  6. Step 6: Final answer
    x = 4,046.46

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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.