Home / 7,724.15-11,586.63-2,177.94

Finding the Fourth Proportional to 7,724.15, 11,586.63 and 2,177.94

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Solution

The fourth proportional to 7,724.15, 11,586.63 and 2,177.94 is: 3,267.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.15 : 11,586.63 = 2,177.94 : x
  2. Step 2: Convert to fraction form
    7,724.15/11,586.63 = 2,177.94/x
  3. Step 3: Cross multiply
    7,724.15x = 11,586.63 × 2,177.94
  4. Step 4: Simplify right side
    7,724.15x = 25,235,034.75
  5. Step 5: Solve for x
    x = 25,235,034.75/7,724.15
  6. Step 6: Final answer
    x = 3,267.03

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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.