Home / 5,817.20-8,722.20-3,350.80

Finding the Fourth Proportional to 5,817.20, 8,722.20 and 3,350.80

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Solution

The fourth proportional to 5,817.20, 8,722.20 and 3,350.80 is: 5,024.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.20 : 8,722.20 = 3,350.80 : x
  2. Step 2: Convert to fraction form
    5,817.20/8,722.20 = 3,350.80/x
  3. Step 3: Cross multiply
    5,817.20x = 8,722.20 × 3,350.80
  4. Step 4: Simplify right side
    5,817.20x = 29,226,347.76
  5. Step 5: Solve for x
    x = 29,226,347.76/5,817.20
  6. Step 6: Final answer
    x = 5,024.13

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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.