Home / 4,949.22-7,423.95-1,486.50

Finding the Fourth Proportional to 4,949.22, 7,423.95 and 1,486.50

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Solution

The fourth proportional to 4,949.22, 7,423.95 and 1,486.50 is: 2,229.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.22 : 7,423.95 = 1,486.50 : x
  2. Step 2: Convert to fraction form
    4,949.22/7,423.95 = 1,486.50/x
  3. Step 3: Cross multiply
    4,949.22x = 7,423.95 × 1,486.50
  4. Step 4: Simplify right side
    4,949.22x = 11,035,701.68
  5. Step 5: Solve for x
    x = 11,035,701.68/4,949.22
  6. Step 6: Final answer
    x = 2,229.79

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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.