Home / 3,540.36-4,884.96-2,214.48

Finding the Fourth Proportional to 3,540.36, 4,884.96 and 2,214.48

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Solution

The fourth proportional to 3,540.36, 4,884.96 and 2,214.48 is: 3,055.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.36 : 4,884.96 = 2,214.48 : x
  2. Step 2: Convert to fraction form
    3,540.36/4,884.96 = 2,214.48/x
  3. Step 3: Cross multiply
    3,540.36x = 4,884.96 × 2,214.48
  4. Step 4: Simplify right side
    3,540.36x = 10,817,646.22
  5. Step 5: Solve for x
    x = 10,817,646.22/3,540.36
  6. Step 6: Final answer
    x = 3,055.52

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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.