Home / 2,725.21-3,759.27-1,605.97

Finding the Fourth Proportional to 2,725.21, 3,759.27 and 1,605.97

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Solution

The fourth proportional to 2,725.21, 3,759.27 and 1,605.97 is: 2,215.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.21 : 3,759.27 = 1,605.97 : x
  2. Step 2: Convert to fraction form
    2,725.21/3,759.27 = 1,605.97/x
  3. Step 3: Cross multiply
    2,725.21x = 3,759.27 × 1,605.97
  4. Step 4: Simplify right side
    2,725.21x = 6,037,274.84
  5. Step 5: Solve for x
    x = 6,037,274.84/2,725.21
  6. Step 6: Final answer
    x = 2,215.34

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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.