Home / 2,176.57-3,003.66-1,181.84

Finding the Fourth Proportional to 2,176.57, 3,003.66 and 1,181.84

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Solution

The fourth proportional to 2,176.57, 3,003.66 and 1,181.84 is: 1,630.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.57 : 3,003.66 = 1,181.84 : x
  2. Step 2: Convert to fraction form
    2,176.57/3,003.66 = 1,181.84/x
  3. Step 3: Cross multiply
    2,176.57x = 3,003.66 × 1,181.84
  4. Step 4: Simplify right side
    2,176.57x = 3,549,845.53
  5. Step 5: Solve for x
    x = 3,549,845.53/2,176.57
  6. Step 6: Final answer
    x = 1,630.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.