Home / 4,778.16-7,167.69-2,004.45

Finding the Fourth Proportional to 4,778.16, 7,167.69 and 2,004.45

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Solution

The fourth proportional to 4,778.16, 7,167.69 and 2,004.45 is: 3,006.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.16 : 7,167.69 = 2,004.45 : x
  2. Step 2: Convert to fraction form
    4,778.16/7,167.69 = 2,004.45/x
  3. Step 3: Cross multiply
    4,778.16x = 7,167.69 × 2,004.45
  4. Step 4: Simplify right side
    4,778.16x = 14,367,276.22
  5. Step 5: Solve for x
    x = 14,367,276.22/4,778.16
  6. Step 6: Final answer
    x = 3,006.86

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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.