Home / 3,271.90-4,513.68-2,012.44

Finding the Fourth Proportional to 3,271.90, 4,513.68 and 2,012.44

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Solution

The fourth proportional to 3,271.90, 4,513.68 and 2,012.44 is: 2,776.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.90 : 4,513.68 = 2,012.44 : x
  2. Step 2: Convert to fraction form
    3,271.90/4,513.68 = 2,012.44/x
  3. Step 3: Cross multiply
    3,271.90x = 4,513.68 × 2,012.44
  4. Step 4: Simplify right side
    3,271.90x = 9,083,510.18
  5. Step 5: Solve for x
    x = 9,083,510.18/3,271.90
  6. Step 6: Final answer
    x = 2,776.22

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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.