Home / 1,894.18-2,826.87-1,768.85

Finding the Fourth Proportional to 1,894.18, 2,826.87 and 1,768.85

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Solution

The fourth proportional to 1,894.18, 2,826.87 and 1,768.85 is: 2,639.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894.18 : 2,826.87 = 1,768.85 : x
  2. Step 2: Convert to fraction form
    1,894.18/2,826.87 = 1,768.85/x
  3. Step 3: Cross multiply
    1,894.18x = 2,826.87 × 1,768.85
  4. Step 4: Simplify right side
    1,894.18x = 5,000,309.00
  5. Step 5: Solve for x
    x = 5,000,309.00/1,894.18
  6. Step 6: Final answer
    x = 2,639.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.