Home / 2,077.45-2,866.62-1,181.17

Finding the Fourth Proportional to 2,077.45, 2,866.62 and 1,181.17

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Solution

The fourth proportional to 2,077.45, 2,866.62 and 1,181.17 is: 1,629.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.45 : 2,866.62 = 1,181.17 : x
  2. Step 2: Convert to fraction form
    2,077.45/2,866.62 = 1,181.17/x
  3. Step 3: Cross multiply
    2,077.45x = 2,866.62 × 1,181.17
  4. Step 4: Simplify right side
    2,077.45x = 3,385,965.55
  5. Step 5: Solve for x
    x = 3,385,965.55/2,077.45
  6. Step 6: Final answer
    x = 1,629.87

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1.5x scale

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.