Home / 7,740.67-11,610.98-2,194.06

Finding the Fourth Proportional to 7,740.67, 11,610.98 and 2,194.06

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Solution

The fourth proportional to 7,740.67, 11,610.98 and 2,194.06 is: 3,291.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.67 : 11,610.98 = 2,194.06 : x
  2. Step 2: Convert to fraction form
    7,740.67/11,610.98 = 2,194.06/x
  3. Step 3: Cross multiply
    7,740.67x = 11,610.98 × 2,194.06
  4. Step 4: Simplify right side
    7,740.67x = 25,475,157.37
  5. Step 5: Solve for x
    x = 25,475,157.37/7,740.67
  6. Step 6: Final answer
    x = 3,291.08

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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.