Home / 6,106.88-8,418.30-4,778.27

Finding the Fourth Proportional to 6,106.88, 8,418.30 and 4,778.27

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Solution

The fourth proportional to 6,106.88, 8,418.30 and 4,778.27 is: 6,586.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,106.88 : 8,418.30 = 4,778.27 : x
  2. Step 2: Convert to fraction form
    6,106.88/8,418.30 = 4,778.27/x
  3. Step 3: Cross multiply
    6,106.88x = 8,418.30 × 4,778.27
  4. Step 4: Simplify right side
    6,106.88x = 40,224,969.57
  5. Step 5: Solve for x
    x = 40,224,969.57/6,106.88
  6. Step 6: Final answer
    x = 6,586.83

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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.