Home / 2,850.36-3,933.90-1,671.24

Finding the Fourth Proportional to 2,850.36, 3,933.90 and 1,671.24

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Solution

The fourth proportional to 2,850.36, 3,933.90 and 1,671.24 is: 2,306.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.36 : 3,933.90 = 1,671.24 : x
  2. Step 2: Convert to fraction form
    2,850.36/3,933.90 = 1,671.24/x
  3. Step 3: Cross multiply
    2,850.36x = 3,933.90 × 1,671.24
  4. Step 4: Simplify right side
    2,850.36x = 6,574,491.04
  5. Step 5: Solve for x
    x = 6,574,491.04/2,850.36
  6. Step 6: Final answer
    x = 2,306.55

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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.