Home / 7,206.30-10,812.15-2,826.90

Finding the Fourth Proportional to 7,206.30, 10,812.15 and 2,826.90

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Solution

The fourth proportional to 7,206.30, 10,812.15 and 2,826.90 is: 4,241.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,206.30 : 10,812.15 = 2,826.90 : x
  2. Step 2: Convert to fraction form
    7,206.30/10,812.15 = 2,826.90/x
  3. Step 3: Cross multiply
    7,206.30x = 10,812.15 × 2,826.90
  4. Step 4: Simplify right side
    7,206.30x = 30,564,866.84
  5. Step 5: Solve for x
    x = 30,564,866.84/7,206.30
  6. Step 6: Final answer
    x = 4,241.41

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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.