Home / 5,622.35-8,422.58-3,668.63

Finding the Fourth Proportional to 5,622.35, 8,422.58 and 3,668.63

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Solution

The fourth proportional to 5,622.35, 8,422.58 and 3,668.63 is: 5,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.35 : 8,422.58 = 3,668.63 : x
  2. Step 2: Convert to fraction form
    5,622.35/8,422.58 = 3,668.63/x
  3. Step 3: Cross multiply
    5,622.35x = 8,422.58 × 3,668.63
  4. Step 4: Simplify right side
    5,622.35x = 30,899,296.72
  5. Step 5: Solve for x
    x = 30,899,296.72/5,622.35
  6. Step 6: Final answer
    x = 5,495.80

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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.