Home / 4,209.75-5,809.64-2,346.75

Finding the Fourth Proportional to 4,209.75, 5,809.64 and 2,346.75

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Solution

The fourth proportional to 4,209.75, 5,809.64 and 2,346.75 is: 3,238.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.75 : 5,809.64 = 2,346.75 : x
  2. Step 2: Convert to fraction form
    4,209.75/5,809.64 = 2,346.75/x
  3. Step 3: Cross multiply
    4,209.75x = 5,809.64 × 2,346.75
  4. Step 4: Simplify right side
    4,209.75x = 13,633,760.94
  5. Step 5: Solve for x
    x = 13,633,760.94/4,209.75
  6. Step 6: Final answer
    x = 3,238.62

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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.