Home / 4,618.53-6,933.90-2,155.05

Finding the Fourth Proportional to 4,618.53, 6,933.90 and 2,155.05

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Solution

The fourth proportional to 4,618.53, 6,933.90 and 2,155.05 is: 3,235.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,618.53 : 6,933.90 = 2,155.05 : x
  2. Step 2: Convert to fraction form
    4,618.53/6,933.90 = 2,155.05/x
  3. Step 3: Cross multiply
    4,618.53x = 6,933.90 × 2,155.05
  4. Step 4: Simplify right side
    4,618.53x = 14,942,901.20
  5. Step 5: Solve for x
    x = 14,942,901.20/4,618.53
  6. Step 6: Final answer
    x = 3,235.42

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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.