Home / 7,795.15-11,685.77-3,409.14

Finding the Fourth Proportional to 7,795.15, 11,685.77 and 3,409.14

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Solution

The fourth proportional to 7,795.15, 11,685.77 and 3,409.14 is: 5,110.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,795.15 : 11,685.77 = 3,409.14 : x
  2. Step 2: Convert to fraction form
    7,795.15/11,685.77 = 3,409.14/x
  3. Step 3: Cross multiply
    7,795.15x = 11,685.77 × 3,409.14
  4. Step 4: Simplify right side
    7,795.15x = 39,838,425.94
  5. Step 5: Solve for x
    x = 39,838,425.94/7,795.15
  6. Step 6: Final answer
    x = 5,110.67

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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.