Home / 6,174.14-8,518.71-3,520.58

Finding the Fourth Proportional to 6,174.14, 8,518.71 and 3,520.58

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Solution

The fourth proportional to 6,174.14, 8,518.71 and 3,520.58 is: 4,857.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,174.14 : 8,518.71 = 3,520.58 : x
  2. Step 2: Convert to fraction form
    6,174.14/8,518.71 = 3,520.58/x
  3. Step 3: Cross multiply
    6,174.14x = 8,518.71 × 3,520.58
  4. Step 4: Simplify right side
    6,174.14x = 29,990,800.05
  5. Step 5: Solve for x
    x = 29,990,800.05/6,174.14
  6. Step 6: Final answer
    x = 4,857.49

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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.