Home / 2,849.94-3,933.58-1,671.39

Finding the Fourth Proportional to 2,849.94, 3,933.58 and 1,671.39

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Solution

The fourth proportional to 2,849.94, 3,933.58 and 1,671.39 is: 2,306.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.94 : 3,933.58 = 1,671.39 : x
  2. Step 2: Convert to fraction form
    2,849.94/3,933.58 = 1,671.39/x
  3. Step 3: Cross multiply
    2,849.94x = 3,933.58 × 1,671.39
  4. Step 4: Simplify right side
    2,849.94x = 6,574,537.92
  5. Step 5: Solve for x
    x = 6,574,537.92/2,849.94
  6. Step 6: Final answer
    x = 2,306.90

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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.