Home / 3,033.36-4,185.93-1,689.03

Finding the Fourth Proportional to 3,033.36, 4,185.93 and 1,689.03

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Solution

The fourth proportional to 3,033.36, 4,185.93 and 1,689.03 is: 2,330.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,033.36 : 4,185.93 = 1,689.03 : x
  2. Step 2: Convert to fraction form
    3,033.36/4,185.93 = 1,689.03/x
  3. Step 3: Cross multiply
    3,033.36x = 4,185.93 × 1,689.03
  4. Step 4: Simplify right side
    3,033.36x = 7,070,131.97
  5. Step 5: Solve for x
    x = 7,070,131.97/3,033.36
  6. Step 6: Final answer
    x = 2,330.79

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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.