Home / 3,270.68-4,513.31-1,854.23

Finding the Fourth Proportional to 3,270.68, 4,513.31 and 1,854.23

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Solution

The fourth proportional to 3,270.68, 4,513.31 and 1,854.23 is: 2,558.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.68 : 4,513.31 = 1,854.23 : x
  2. Step 2: Convert to fraction form
    3,270.68/4,513.31 = 1,854.23/x
  3. Step 3: Cross multiply
    3,270.68x = 4,513.31 × 1,854.23
  4. Step 4: Simplify right side
    3,270.68x = 8,368,692.23
  5. Step 5: Solve for x
    x = 8,368,692.23/3,270.68
  6. Step 6: Final answer
    x = 2,558.70

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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.