Home / 4,122.12-5,687.97-2,329.59

Finding the Fourth Proportional to 4,122.12, 5,687.97 and 2,329.59

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Solution

The fourth proportional to 4,122.12, 5,687.97 and 2,329.59 is: 3,214.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.12 : 5,687.97 = 2,329.59 : x
  2. Step 2: Convert to fraction form
    4,122.12/5,687.97 = 2,329.59/x
  3. Step 3: Cross multiply
    4,122.12x = 5,687.97 × 2,329.59
  4. Step 4: Simplify right side
    4,122.12x = 13,250,638.03
  5. Step 5: Solve for x
    x = 13,250,638.03/4,122.12
  6. Step 6: Final answer
    x = 3,214.52

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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.