Home / 6,112.83-9,170.43-2,602.78

Finding the Fourth Proportional to 6,112.83, 9,170.43 and 2,602.78

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Solution

The fourth proportional to 6,112.83, 9,170.43 and 2,602.78 is: 3,904.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.83 : 9,170.43 = 2,602.78 : x
  2. Step 2: Convert to fraction form
    6,112.83/9,170.43 = 2,602.78/x
  3. Step 3: Cross multiply
    6,112.83x = 9,170.43 × 2,602.78
  4. Step 4: Simplify right side
    6,112.83x = 23,868,588.87
  5. Step 5: Solve for x
    x = 23,868,588.87/6,112.83
  6. Step 6: Final answer
    x = 3,904.67

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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.