Home / 6,540.13-9,022.75-4,021.44

Finding the Fourth Proportional to 6,540.13, 9,022.75 and 4,021.44

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Solution

The fourth proportional to 6,540.13, 9,022.75 and 4,021.44 is: 5,547.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.13 : 9,022.75 = 4,021.44 : x
  2. Step 2: Convert to fraction form
    6,540.13/9,022.75 = 4,021.44/x
  3. Step 3: Cross multiply
    6,540.13x = 9,022.75 × 4,021.44
  4. Step 4: Simplify right side
    6,540.13x = 36,284,447.76
  5. Step 5: Solve for x
    x = 36,284,447.76/6,540.13
  6. Step 6: Final answer
    x = 5,547.97

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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.