Home / 6,172.77-8,518.59-3,520.83

Finding the Fourth Proportional to 6,172.77, 8,518.59 and 3,520.83

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Solution

The fourth proportional to 6,172.77, 8,518.59 and 3,520.83 is: 4,858.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.77 : 8,518.59 = 3,520.83 : x
  2. Step 2: Convert to fraction form
    6,172.77/8,518.59 = 3,520.83/x
  3. Step 3: Cross multiply
    6,172.77x = 8,518.59 × 3,520.83
  4. Step 4: Simplify right side
    6,172.77x = 29,992,507.23
  5. Step 5: Solve for x
    x = 29,992,507.23/6,172.77
  6. Step 6: Final answer
    x = 4,858.84

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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.