Home / 5,021.96-6,930.20-2,783.82

Finding the Fourth Proportional to 5,021.96, 6,930.20 and 2,783.82

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Solution

The fourth proportional to 5,021.96, 6,930.20 and 2,783.82 is: 3,841.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.96 : 6,930.20 = 2,783.82 : x
  2. Step 2: Convert to fraction form
    5,021.96/6,930.20 = 2,783.82/x
  3. Step 3: Cross multiply
    5,021.96x = 6,930.20 × 2,783.82
  4. Step 4: Simplify right side
    5,021.96x = 19,292,436.32
  5. Step 5: Solve for x
    x = 19,292,436.32/5,021.96
  6. Step 6: Final answer
    x = 3,841.61

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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.