Home / 7,540.13-11,308.62-2,858.52

Finding the Fourth Proportional to 7,540.13, 11,308.62 and 2,858.52

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Solution

The fourth proportional to 7,540.13, 11,308.62 and 2,858.52 is: 4,287.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.13 : 11,308.62 = 2,858.52 : x
  2. Step 2: Convert to fraction form
    7,540.13/11,308.62 = 2,858.52/x
  3. Step 3: Cross multiply
    7,540.13x = 11,308.62 × 2,858.52
  4. Step 4: Simplify right side
    7,540.13x = 32,325,916.44
  5. Step 5: Solve for x
    x = 32,325,916.44/7,540.13
  6. Step 6: Final answer
    x = 4,287.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.