Home / 4,908.20-7,363.37-1,621.15

Finding the Fourth Proportional to 4,908.20, 7,363.37 and 1,621.15

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Solution

The fourth proportional to 4,908.20, 7,363.37 and 1,621.15 is: 2,432.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.20 : 7,363.37 = 1,621.15 : x
  2. Step 2: Convert to fraction form
    4,908.20/7,363.37 = 1,621.15/x
  3. Step 3: Cross multiply
    4,908.20x = 7,363.37 × 1,621.15
  4. Step 4: Simplify right side
    4,908.20x = 11,937,112.92
  5. Step 5: Solve for x
    x = 11,937,112.92/4,908.20
  6. Step 6: Final answer
    x = 2,432.08

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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.