Home / 7,723.67-11,587.46-2,177.06

Finding the Fourth Proportional to 7,723.67, 11,587.46 and 2,177.06

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Solution

The fourth proportional to 7,723.67, 11,587.46 and 2,177.06 is: 3,266.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.67 : 11,587.46 = 2,177.06 : x
  2. Step 2: Convert to fraction form
    7,723.67/11,587.46 = 2,177.06/x
  3. Step 3: Cross multiply
    7,723.67x = 11,587.46 × 2,177.06
  4. Step 4: Simplify right side
    7,723.67x = 25,226,526.85
  5. Step 5: Solve for x
    x = 25,226,526.85/7,723.67
  6. Step 6: Final answer
    x = 3,266.13

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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.