Home / 4,920.37-6,790.25-2,682.39

Finding the Fourth Proportional to 4,920.37, 6,790.25 and 2,682.39

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Solution

The fourth proportional to 4,920.37, 6,790.25 and 2,682.39 is: 3,701.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.37 : 6,790.25 = 2,682.39 : x
  2. Step 2: Convert to fraction form
    4,920.37/6,790.25 = 2,682.39/x
  3. Step 3: Cross multiply
    4,920.37x = 6,790.25 × 2,682.39
  4. Step 4: Simplify right side
    4,920.37x = 18,214,051.33
  5. Step 5: Solve for x
    x = 18,214,051.33/4,920.37
  6. Step 6: Final answer
    x = 3,701.77

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Half scale
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Double scale
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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.