Home / 3,012.93-4,156.92-2,016.63

Finding the Fourth Proportional to 3,012.93, 4,156.92 and 2,016.63

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Solution

The fourth proportional to 3,012.93, 4,156.92 and 2,016.63 is: 2,782.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.93 : 4,156.92 = 2,016.63 : x
  2. Step 2: Convert to fraction form
    3,012.93/4,156.92 = 2,016.63/x
  3. Step 3: Cross multiply
    3,012.93x = 4,156.92 × 2,016.63
  4. Step 4: Simplify right side
    3,012.93x = 8,382,969.58
  5. Step 5: Solve for x
    x = 8,382,969.58/3,012.93
  6. Step 6: Final answer
    x = 2,782.33

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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.