Home / 3,016.94-4,163.01-1,690.37

Finding the Fourth Proportional to 3,016.94, 4,163.01 and 1,690.37

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Solution

The fourth proportional to 3,016.94, 4,163.01 and 1,690.37 is: 2,332.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.94 : 4,163.01 = 1,690.37 : x
  2. Step 2: Convert to fraction form
    3,016.94/4,163.01 = 1,690.37/x
  3. Step 3: Cross multiply
    3,016.94x = 4,163.01 × 1,690.37
  4. Step 4: Simplify right side
    3,016.94x = 7,037,006.40
  5. Step 5: Solve for x
    x = 7,037,006.40/3,016.94
  6. Step 6: Final answer
    x = 2,332.50

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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.