Home / 5,539.31-7,644.11-3,021.42

Finding the Fourth Proportional to 5,539.31, 7,644.11 and 3,021.42

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Solution

The fourth proportional to 5,539.31, 7,644.11 and 3,021.42 is: 4,169.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.31 : 7,644.11 = 3,021.42 : x
  2. Step 2: Convert to fraction form
    5,539.31/7,644.11 = 3,021.42/x
  3. Step 3: Cross multiply
    5,539.31x = 7,644.11 × 3,021.42
  4. Step 4: Simplify right side
    5,539.31x = 23,096,051.73
  5. Step 5: Solve for x
    x = 23,096,051.73/5,539.31
  6. Step 6: Final answer
    x = 4,169.49

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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.