Home / 4,778.05-7,167.08-2,003.98

Finding the Fourth Proportional to 4,778.05, 7,167.08 and 2,003.98

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Solution

The fourth proportional to 4,778.05, 7,167.08 and 2,003.98 is: 3,005.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.05 : 7,167.08 = 2,003.98 : x
  2. Step 2: Convert to fraction form
    4,778.05/7,167.08 = 2,003.98/x
  3. Step 3: Cross multiply
    4,778.05x = 7,167.08 × 2,003.98
  4. Step 4: Simplify right side
    4,778.05x = 14,362,684.98
  5. Step 5: Solve for x
    x = 14,362,684.98/4,778.05
  6. Step 6: Final answer
    x = 3,005.97

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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.