Home / 7,720.73-10,654.58-4,183.96

Finding the Fourth Proportional to 7,720.73, 10,654.58 and 4,183.96

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Solution

The fourth proportional to 7,720.73, 10,654.58 and 4,183.96 is: 5,773.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.73 : 10,654.58 = 4,183.96 : x
  2. Step 2: Convert to fraction form
    7,720.73/10,654.58 = 4,183.96/x
  3. Step 3: Cross multiply
    7,720.73x = 10,654.58 × 4,183.96
  4. Step 4: Simplify right side
    7,720.73x = 44,578,262.34
  5. Step 5: Solve for x
    x = 44,578,262.34/7,720.73
  6. Step 6: Final answer
    x = 5,773.84

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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.