Home / 4,103.21-5,661.75-2,334.47

Finding the Fourth Proportional to 4,103.21, 5,661.75 and 2,334.47

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Solution

The fourth proportional to 4,103.21, 5,661.75 and 2,334.47 is: 3,221.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.21 : 5,661.75 = 2,334.47 : x
  2. Step 2: Convert to fraction form
    4,103.21/5,661.75 = 2,334.47/x
  3. Step 3: Cross multiply
    4,103.21x = 5,661.75 × 2,334.47
  4. Step 4: Simplify right side
    4,103.21x = 13,217,184.68
  5. Step 5: Solve for x
    x = 13,217,184.68/4,103.21
  6. Step 6: Final answer
    x = 3,221.18

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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.