Home / 1,892.19-2,622.29-1,865.77

Finding the Fourth Proportional to 1,892.19, 2,622.29 and 1,865.77

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Solution

The fourth proportional to 1,892.19, 2,622.29 and 1,865.77 is: 2,585.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892.19 : 2,622.29 = 1,865.77 : x
  2. Step 2: Convert to fraction form
    1,892.19/2,622.29 = 1,865.77/x
  3. Step 3: Cross multiply
    1,892.19x = 2,622.29 × 1,865.77
  4. Step 4: Simplify right side
    1,892.19x = 4,892,584.62
  5. Step 5: Solve for x
    x = 4,892,584.62/1,892.19
  6. Step 6: Final answer
    x = 2,585.67

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.