Home / 4,123.91-6,180.33-1,927.91

Finding the Fourth Proportional to 4,123.91, 6,180.33 and 1,927.91

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Solution

The fourth proportional to 4,123.91, 6,180.33 and 1,927.91 is: 2,889.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.91 : 6,180.33 = 1,927.91 : x
  2. Step 2: Convert to fraction form
    4,123.91/6,180.33 = 1,927.91/x
  3. Step 3: Cross multiply
    4,123.91x = 6,180.33 × 1,927.91
  4. Step 4: Simplify right side
    4,123.91x = 11,915,120.01
  5. Step 5: Solve for x
    x = 11,915,120.01/4,123.91
  6. Step 6: Final answer
    x = 2,889.28

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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.