Home / 4,930.77-7,394.55-1,643.09

Finding the Fourth Proportional to 4,930.77, 7,394.55 and 1,643.09

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Solution

The fourth proportional to 4,930.77, 7,394.55 and 1,643.09 is: 2,464.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.77 : 7,394.55 = 1,643.09 : x
  2. Step 2: Convert to fraction form
    4,930.77/7,394.55 = 1,643.09/x
  3. Step 3: Cross multiply
    4,930.77x = 7,394.55 × 1,643.09
  4. Step 4: Simplify right side
    4,930.77x = 12,149,902.94
  5. Step 5: Solve for x
    x = 12,149,902.94/4,930.77
  6. Step 6: Final answer
    x = 2,464.10

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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.