Home / 7,835.45-10,812.86-4,250.40

Finding the Fourth Proportional to 7,835.45, 10,812.86 and 4,250.40

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Solution

The fourth proportional to 7,835.45, 10,812.86 and 4,250.40 is: 5,865.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.45 : 10,812.86 = 4,250.40 : x
  2. Step 2: Convert to fraction form
    7,835.45/10,812.86 = 4,250.40/x
  3. Step 3: Cross multiply
    7,835.45x = 10,812.86 × 4,250.40
  4. Step 4: Simplify right side
    7,835.45x = 45,958,942.49
  5. Step 5: Solve for x
    x = 45,958,942.49/7,835.45
  6. Step 6: Final answer
    x = 5,865.51

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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.