Home / 4,906.08-7,360.68-1,986.84

Finding the Fourth Proportional to 4,906.08, 7,360.68 and 1,986.84

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Solution

The fourth proportional to 4,906.08, 7,360.68 and 1,986.84 is: 2,980.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.08 : 7,360.68 = 1,986.84 : x
  2. Step 2: Convert to fraction form
    4,906.08/7,360.68 = 1,986.84/x
  3. Step 3: Cross multiply
    4,906.08x = 7,360.68 × 1,986.84
  4. Step 4: Simplify right side
    4,906.08x = 14,624,493.45
  5. Step 5: Solve for x
    x = 14,624,493.45/4,906.08
  6. Step 6: Final answer
    x = 2,980.89

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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.