Home / 4,518.54-6,778.71-2,670.98

Finding the Fourth Proportional to 4,518.54, 6,778.71 and 2,670.98

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Solution

The fourth proportional to 4,518.54, 6,778.71 and 2,670.98 is: 4,006.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.54 : 6,778.71 = 2,670.98 : x
  2. Step 2: Convert to fraction form
    4,518.54/6,778.71 = 2,670.98/x
  3. Step 3: Cross multiply
    4,518.54x = 6,778.71 × 2,670.98
  4. Step 4: Simplify right side
    4,518.54x = 18,105,764.94
  5. Step 5: Solve for x
    x = 18,105,764.94/4,518.54
  6. Step 6: Final answer
    x = 4,006.99

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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.