Home / 3,309.44-4,534.35-3,268.45

Finding the Fourth Proportional to 3,309.44, 4,534.35 and 3,268.45

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Solution

The fourth proportional to 3,309.44, 4,534.35 and 3,268.45 is: 4,478.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.44 : 4,534.35 = 3,268.45 : x
  2. Step 2: Convert to fraction form
    3,309.44/4,534.35 = 3,268.45/x
  3. Step 3: Cross multiply
    3,309.44x = 4,534.35 × 3,268.45
  4. Step 4: Simplify right side
    3,309.44x = 14,820,257.24
  5. Step 5: Solve for x
    x = 14,820,257.24/3,309.44
  6. Step 6: Final answer
    x = 4,478.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.