Home / 4,474.82-6,712.18-2,720.31

Finding the Fourth Proportional to 4,474.82, 6,712.18 and 2,720.31

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Solution

The fourth proportional to 4,474.82, 6,712.18 and 2,720.31 is: 4,080.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,474.82 : 6,712.18 = 2,720.31 : x
  2. Step 2: Convert to fraction form
    4,474.82/6,712.18 = 2,720.31/x
  3. Step 3: Cross multiply
    4,474.82x = 6,712.18 × 2,720.31
  4. Step 4: Simplify right side
    4,474.82x = 18,259,176.81
  5. Step 5: Solve for x
    x = 18,259,176.81/4,474.82
  6. Step 6: Final answer
    x = 4,080.43

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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.