Home / 5,540.37-7,646.30-3,388.17

Finding the Fourth Proportional to 5,540.37, 7,646.30 and 3,388.17

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Solution

The fourth proportional to 5,540.37, 7,646.30 and 3,388.17 is: 4,676.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.37 : 7,646.30 = 3,388.17 : x
  2. Step 2: Convert to fraction form
    5,540.37/7,646.30 = 3,388.17/x
  3. Step 3: Cross multiply
    5,540.37x = 7,646.30 × 3,388.17
  4. Step 4: Simplify right side
    5,540.37x = 25,906,988.71
  5. Step 5: Solve for x
    x = 25,906,988.71/5,540.37
  6. Step 6: Final answer
    x = 4,676.04

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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.