Home / 5,059.96-6,982.44-2,821.72

Finding the Fourth Proportional to 5,059.96, 6,982.44 and 2,821.72

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Solution

The fourth proportional to 5,059.96, 6,982.44 and 2,821.72 is: 3,893.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,059.96 : 6,982.44 = 2,821.72 : x
  2. Step 2: Convert to fraction form
    5,059.96/6,982.44 = 2,821.72/x
  3. Step 3: Cross multiply
    5,059.96x = 6,982.44 × 2,821.72
  4. Step 4: Simplify right side
    5,059.96x = 19,702,490.60
  5. Step 5: Solve for x
    x = 19,702,490.60/5,059.96
  6. Step 6: Final answer
    x = 3,893.80

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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.