Home / 3,017.06-4,163.50-1,690.73

Finding the Fourth Proportional to 3,017.06, 4,163.50 and 1,690.73

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Solution

The fourth proportional to 3,017.06, 4,163.50 and 1,690.73 is: 2,333.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.06 : 4,163.50 = 1,690.73 : x
  2. Step 2: Convert to fraction form
    3,017.06/4,163.50 = 1,690.73/x
  3. Step 3: Cross multiply
    3,017.06x = 4,163.50 × 1,690.73
  4. Step 4: Simplify right side
    3,017.06x = 7,039,329.31
  5. Step 5: Solve for x
    x = 7,039,329.31/3,017.06
  6. Step 6: Final answer
    x = 2,333.18

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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.