Home / 7,208.28-10,812.51-2,013.84

Finding the Fourth Proportional to 7,208.28, 10,812.51 and 2,013.84

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Solution

The fourth proportional to 7,208.28, 10,812.51 and 2,013.84 is: 3,020.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.28 : 10,812.51 = 2,013.84 : x
  2. Step 2: Convert to fraction form
    7,208.28/10,812.51 = 2,013.84/x
  3. Step 3: Cross multiply
    7,208.28x = 10,812.51 × 2,013.84
  4. Step 4: Simplify right side
    7,208.28x = 21,774,665.14
  5. Step 5: Solve for x
    x = 21,774,665.14/7,208.28
  6. Step 6: Final answer
    x = 3,020.79

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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.