Home / 7,023.14-9,687.60-4,188.70

Finding the Fourth Proportional to 7,023.14, 9,687.60 and 4,188.70

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Solution

The fourth proportional to 7,023.14, 9,687.60 and 4,188.70 is: 5,777.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023.14 : 9,687.60 = 4,188.70 : x
  2. Step 2: Convert to fraction form
    7,023.14/9,687.60 = 4,188.70/x
  3. Step 3: Cross multiply
    7,023.14x = 9,687.60 × 4,188.70
  4. Step 4: Simplify right side
    7,023.14x = 40,578,450.12
  5. Step 5: Solve for x
    x = 40,578,450.12/7,023.14
  6. Step 6: Final answer
    x = 5,777.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.