Home / 5,355.81-8,035.69-2,236.14

Finding the Fourth Proportional to 5,355.81, 8,035.69 and 2,236.14

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Solution

The fourth proportional to 5,355.81, 8,035.69 and 2,236.14 is: 3,355.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.81 : 8,035.69 = 2,236.14 : x
  2. Step 2: Convert to fraction form
    5,355.81/8,035.69 = 2,236.14/x
  3. Step 3: Cross multiply
    5,355.81x = 8,035.69 × 2,236.14
  4. Step 4: Simplify right side
    5,355.81x = 17,968,927.84
  5. Step 5: Solve for x
    x = 17,968,927.84/5,355.81
  6. Step 6: Final answer
    x = 3,355.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.