Home / 3,175.74-4,382.30-1,759.41

Finding the Fourth Proportional to 3,175.74, 4,382.30 and 1,759.41

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Solution

The fourth proportional to 3,175.74, 4,382.30 and 1,759.41 is: 2,427.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.74 : 4,382.30 = 1,759.41 : x
  2. Step 2: Convert to fraction form
    3,175.74/4,382.30 = 1,759.41/x
  3. Step 3: Cross multiply
    3,175.74x = 4,382.30 × 1,759.41
  4. Step 4: Simplify right side
    3,175.74x = 7,710,266.84
  5. Step 5: Solve for x
    x = 7,710,266.84/3,175.74
  6. Step 6: Final answer
    x = 2,427.86

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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.