Home / 4,939.33-6,815.19-2,949.58

Finding the Fourth Proportional to 4,939.33, 6,815.19 and 2,949.58

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Solution

The fourth proportional to 4,939.33, 6,815.19 and 2,949.58 is: 4,069.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.33 : 6,815.19 = 2,949.58 : x
  2. Step 2: Convert to fraction form
    4,939.33/6,815.19 = 2,949.58/x
  3. Step 3: Cross multiply
    4,939.33x = 6,815.19 × 2,949.58
  4. Step 4: Simplify right side
    4,939.33x = 20,101,948.12
  5. Step 5: Solve for x
    x = 20,101,948.12/4,939.33
  6. Step 6: Final answer
    x = 4,069.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.