Home / 3,270.42-4,513.95-2,012.27

Finding the Fourth Proportional to 3,270.42, 4,513.95 and 2,012.27

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Solution

The fourth proportional to 3,270.42, 4,513.95 and 2,012.27 is: 2,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.42 : 4,513.95 = 2,012.27 : x
  2. Step 2: Convert to fraction form
    3,270.42/4,513.95 = 2,012.27/x
  3. Step 3: Cross multiply
    3,270.42x = 4,513.95 × 2,012.27
  4. Step 4: Simplify right side
    3,270.42x = 9,083,263.60
  5. Step 5: Solve for x
    x = 9,083,263.60/3,270.42
  6. Step 6: Final answer
    x = 2,777.40

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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.