Home / 3,016.44-4,162.83-1,690.12

Finding the Fourth Proportional to 3,016.44, 4,162.83 and 1,690.12

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Solution

The fourth proportional to 3,016.44, 4,162.83 and 1,690.12 is: 2,332.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.44 : 4,162.83 = 1,690.12 : x
  2. Step 2: Convert to fraction form
    3,016.44/4,162.83 = 1,690.12/x
  3. Step 3: Cross multiply
    3,016.44x = 4,162.83 × 1,690.12
  4. Step 4: Simplify right side
    3,016.44x = 7,035,682.24
  5. Step 5: Solve for x
    x = 7,035,682.24/3,016.44
  6. Step 6: Final answer
    x = 2,332.45

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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.