Home / 3,383.14-4,668.72-1,891.06

Finding the Fourth Proportional to 3,383.14, 4,668.72 and 1,891.06

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Solution

The fourth proportional to 3,383.14, 4,668.72 and 1,891.06 is: 2,609.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.14 : 4,668.72 = 1,891.06 : x
  2. Step 2: Convert to fraction form
    3,383.14/4,668.72 = 1,891.06/x
  3. Step 3: Cross multiply
    3,383.14x = 4,668.72 × 1,891.06
  4. Step 4: Simplify right side
    3,383.14x = 8,828,829.64
  5. Step 5: Solve for x
    x = 8,828,829.64/3,383.14
  6. Step 6: Final answer
    x = 2,609.66

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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.