Home / 4,919.94-7,362.63-3,618.18

Finding the Fourth Proportional to 4,919.94, 7,362.63 and 3,618.18

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Solution

The fourth proportional to 4,919.94, 7,362.63 and 3,618.18 is: 5,414.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.94 : 7,362.63 = 3,618.18 : x
  2. Step 2: Convert to fraction form
    4,919.94/7,362.63 = 3,618.18/x
  3. Step 3: Cross multiply
    4,919.94x = 7,362.63 × 3,618.18
  4. Step 4: Simplify right side
    4,919.94x = 26,639,320.61
  5. Step 5: Solve for x
    x = 26,639,320.61/4,919.94
  6. Step 6: Final answer
    x = 5,414.56

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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.