Home / 3,271.37-4,513.05-2,180.25

Finding the Fourth Proportional to 3,271.37, 4,513.05 and 2,180.25

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Solution

The fourth proportional to 3,271.37, 4,513.05 and 2,180.25 is: 3,007.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.37 : 4,513.05 = 2,180.25 : x
  2. Step 2: Convert to fraction form
    3,271.37/4,513.05 = 2,180.25/x
  3. Step 3: Cross multiply
    3,271.37x = 4,513.05 × 2,180.25
  4. Step 4: Simplify right side
    3,271.37x = 9,839,577.26
  5. Step 5: Solve for x
    x = 9,839,577.26/3,271.37
  6. Step 6: Final answer
    x = 3,007.79

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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.