Home / 3,066.10-4,231.19-1,739.88

Finding the Fourth Proportional to 3,066.10, 4,231.19 and 1,739.88

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Solution

The fourth proportional to 3,066.10, 4,231.19 and 1,739.88 is: 2,401.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.10 : 4,231.19 = 1,739.88 : x
  2. Step 2: Convert to fraction form
    3,066.10/4,231.19 = 1,739.88/x
  3. Step 3: Cross multiply
    3,066.10x = 4,231.19 × 1,739.88
  4. Step 4: Simplify right side
    3,066.10x = 7,361,757.42
  5. Step 5: Solve for x
    x = 7,361,757.42/3,066.10
  6. Step 6: Final answer
    x = 2,401.01

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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.