Home / 3,271.06-4,515.37-2,012.63

Finding the Fourth Proportional to 3,271.06, 4,515.37 and 2,012.63

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Solution

The fourth proportional to 3,271.06, 4,515.37 and 2,012.63 is: 2,778.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.06 : 4,515.37 = 2,012.63 : x
  2. Step 2: Convert to fraction form
    3,271.06/4,515.37 = 2,012.63/x
  3. Step 3: Cross multiply
    3,271.06x = 4,515.37 × 2,012.63
  4. Step 4: Simplify right side
    3,271.06x = 9,087,769.12
  5. Step 5: Solve for x
    x = 9,087,769.12/3,271.06
  6. Step 6: Final answer
    x = 2,778.23

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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.