Home / 3,287.48-4,540.40-2,550.36

Finding the Fourth Proportional to 3,287.48, 4,540.40 and 2,550.36

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Solution

The fourth proportional to 3,287.48, 4,540.40 and 2,550.36 is: 3,522.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.48 : 4,540.40 = 2,550.36 : x
  2. Step 2: Convert to fraction form
    3,287.48/4,540.40 = 2,550.36/x
  3. Step 3: Cross multiply
    3,287.48x = 4,540.40 × 2,550.36
  4. Step 4: Simplify right side
    3,287.48x = 11,579,654.54
  5. Step 5: Solve for x
    x = 11,579,654.54/3,287.48
  6. Step 6: Final answer
    x = 3,522.35

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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.