Home / 3,103.95-4,282.16-2,054.19

Finding the Fourth Proportional to 3,103.95, 4,282.16 and 2,054.19

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Solution

The fourth proportional to 3,103.95, 4,282.16 and 2,054.19 is: 2,833.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.95 : 4,282.16 = 2,054.19 : x
  2. Step 2: Convert to fraction form
    3,103.95/4,282.16 = 2,054.19/x
  3. Step 3: Cross multiply
    3,103.95x = 4,282.16 × 2,054.19
  4. Step 4: Simplify right side
    3,103.95x = 8,796,359.98
  5. Step 5: Solve for x
    x = 8,796,359.98/3,103.95
  6. Step 6: Final answer
    x = 2,833.92

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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.