Home / 2,895.41-3,993.62-1,776.89

Finding the Fourth Proportional to 2,895.41, 3,993.62 and 1,776.89

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Solution

The fourth proportional to 2,895.41, 3,993.62 and 1,776.89 is: 2,450.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.41 : 3,993.62 = 1,776.89 : x
  2. Step 2: Convert to fraction form
    2,895.41/3,993.62 = 1,776.89/x
  3. Step 3: Cross multiply
    2,895.41x = 3,993.62 × 1,776.89
  4. Step 4: Simplify right side
    2,895.41x = 7,096,207.92
  5. Step 5: Solve for x
    x = 7,096,207.92/2,895.41
  6. Step 6: Final answer
    x = 2,450.85

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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.