Home / 2,865.63-3,954.57-1,623.63

Finding the Fourth Proportional to 2,865.63, 3,954.57 and 1,623.63

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Solution

The fourth proportional to 2,865.63, 3,954.57 and 1,623.63 is: 2,240.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.63 : 3,954.57 = 1,623.63 : x
  2. Step 2: Convert to fraction form
    2,865.63/3,954.57 = 1,623.63/x
  3. Step 3: Cross multiply
    2,865.63x = 3,954.57 × 1,623.63
  4. Step 4: Simplify right side
    2,865.63x = 6,420,758.49
  5. Step 5: Solve for x
    x = 6,420,758.49/2,865.63
  6. Step 6: Final answer
    x = 2,240.61

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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.