Home / 7,735.39-11,603.09-1,891.99

Finding the Fourth Proportional to 7,735.39, 11,603.09 and 1,891.99

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Solution

The fourth proportional to 7,735.39, 11,603.09 and 1,891.99 is: 2,837.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,735.39 : 11,603.09 = 1,891.99 : x
  2. Step 2: Convert to fraction form
    7,735.39/11,603.09 = 1,891.99/x
  3. Step 3: Cross multiply
    7,735.39x = 11,603.09 × 1,891.99
  4. Step 4: Simplify right side
    7,735.39x = 21,952,930.25
  5. Step 5: Solve for x
    x = 21,952,930.25/7,735.39
  6. Step 6: Final answer
    x = 2,837.99

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Double scale
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Similar ratio
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1.5x scale

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.