Home / 4,813.20-7,211.70-4,116.60

Finding the Fourth Proportional to 4,813.20, 7,211.70 and 4,116.60

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Solution

The fourth proportional to 4,813.20, 7,211.70 and 4,116.60 is: 6,167.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.20 : 7,211.70 = 4,116.60 : x
  2. Step 2: Convert to fraction form
    4,813.20/7,211.70 = 4,116.60/x
  3. Step 3: Cross multiply
    4,813.20x = 7,211.70 × 4,116.60
  4. Step 4: Simplify right side
    4,813.20x = 29,687,684.22
  5. Step 5: Solve for x
    x = 29,687,684.22/4,813.20
  6. Step 6: Final answer
    x = 6,167.97

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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.