Home / 2,016.87-2,783.73-1,177.98

Finding the Fourth Proportional to 2,016.87, 2,783.73 and 1,177.98

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Solution

The fourth proportional to 2,016.87, 2,783.73 and 1,177.98 is: 1,625.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016.87 : 2,783.73 = 1,177.98 : x
  2. Step 2: Convert to fraction form
    2,016.87/2,783.73 = 1,177.98/x
  3. Step 3: Cross multiply
    2,016.87x = 2,783.73 × 1,177.98
  4. Step 4: Simplify right side
    2,016.87x = 3,279,172.24
  5. Step 5: Solve for x
    x = 3,279,172.24/2,016.87
  6. Step 6: Final answer
    x = 1,625.87

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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.