Home / 5,930.12-8,179.60-3,569.80

Finding the Fourth Proportional to 5,930.12, 8,179.60 and 3,569.80

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Solution

The fourth proportional to 5,930.12, 8,179.60 and 3,569.80 is: 4,923.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,930.12 : 8,179.60 = 3,569.80 : x
  2. Step 2: Convert to fraction form
    5,930.12/8,179.60 = 3,569.80/x
  3. Step 3: Cross multiply
    5,930.12x = 8,179.60 × 3,569.80
  4. Step 4: Simplify right side
    5,930.12x = 29,199,536.08
  5. Step 5: Solve for x
    x = 29,199,536.08/5,930.12
  6. Step 6: Final answer
    x = 4,923.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.