Home / 4,949.60-7,424.40-4,876.70

Finding the Fourth Proportional to 4,949.60, 7,424.40 and 4,876.70

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Solution

The fourth proportional to 4,949.60, 7,424.40 and 4,876.70 is: 7,315.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.60 : 7,424.40 = 4,876.70 : x
  2. Step 2: Convert to fraction form
    4,949.60/7,424.40 = 4,876.70/x
  3. Step 3: Cross multiply
    4,949.60x = 7,424.40 × 4,876.70
  4. Step 4: Simplify right side
    4,949.60x = 36,206,571.48
  5. Step 5: Solve for x
    x = 36,206,571.48/4,949.60
  6. Step 6: Final answer
    x = 7,315.05

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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.