Home / 3,383.16-4,668.86-1,891.25

Finding the Fourth Proportional to 3,383.16, 4,668.86 and 1,891.25

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Solution

The fourth proportional to 3,383.16, 4,668.86 and 1,891.25 is: 2,609.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.16 : 4,668.86 = 1,891.25 : x
  2. Step 2: Convert to fraction form
    3,383.16/4,668.86 = 1,891.25/x
  3. Step 3: Cross multiply
    3,383.16x = 4,668.86 × 1,891.25
  4. Step 4: Simplify right side
    3,383.16x = 8,829,948.67
  5. Step 5: Solve for x
    x = 8,829,948.67/3,383.16
  6. Step 6: Final answer
    x = 2,609.97

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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.