Home / 1,861.60-2,793.58-1,083.16

Finding the Fourth Proportional to 1,861.60, 2,793.58 and 1,083.16

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Solution

The fourth proportional to 1,861.60, 2,793.58 and 1,083.16 is: 1,625.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861.60 : 2,793.58 = 1,083.16 : x
  2. Step 2: Convert to fraction form
    1,861.60/2,793.58 = 1,083.16/x
  3. Step 3: Cross multiply
    1,861.60x = 2,793.58 × 1,083.16
  4. Step 4: Simplify right side
    1,861.60x = 3,025,894.11
  5. Step 5: Solve for x
    x = 3,025,894.11/1,861.60
  6. Step 6: Final answer
    x = 1,625.43

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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.