Home / 3,184.91-4,778.27-1,623.63

Finding the Fourth Proportional to 3,184.91, 4,778.27 and 1,623.63

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Solution

The fourth proportional to 3,184.91, 4,778.27 and 1,623.63 is: 2,435.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.91 : 4,778.27 = 1,623.63 : x
  2. Step 2: Convert to fraction form
    3,184.91/4,778.27 = 1,623.63/x
  3. Step 3: Cross multiply
    3,184.91x = 4,778.27 × 1,623.63
  4. Step 4: Simplify right side
    3,184.91x = 7,758,142.52
  5. Step 5: Solve for x
    x = 7,758,142.52/3,184.91
  6. Step 6: Final answer
    x = 2,435.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.