Home / 4,980.37-6,871.66-3,162.73

Finding the Fourth Proportional to 4,980.37, 6,871.66 and 3,162.73

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Solution

The fourth proportional to 4,980.37, 6,871.66 and 3,162.73 is: 4,363.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.37 : 6,871.66 = 3,162.73 : x
  2. Step 2: Convert to fraction form
    4,980.37/6,871.66 = 3,162.73/x
  3. Step 3: Cross multiply
    4,980.37x = 6,871.66 × 3,162.73
  4. Step 4: Simplify right side
    4,980.37x = 21,733,205.23
  5. Step 5: Solve for x
    x = 21,733,205.23/4,980.37
  6. Step 6: Final answer
    x = 4,363.77

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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.