Home / 3,066.19-4,231.37-1,668.94

Finding the Fourth Proportional to 3,066.19, 4,231.37 and 1,668.94

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Solution

The fourth proportional to 3,066.19, 4,231.37 and 1,668.94 is: 2,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.19 : 4,231.37 = 1,668.94 : x
  2. Step 2: Convert to fraction form
    3,066.19/4,231.37 = 1,668.94/x
  3. Step 3: Cross multiply
    3,066.19x = 4,231.37 × 1,668.94
  4. Step 4: Simplify right side
    3,066.19x = 7,061,896.24
  5. Step 5: Solve for x
    x = 7,061,896.24/3,066.19
  6. Step 6: Final answer
    x = 2,303.15

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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.