Home / 7,217.18-10,827.16-2,774.51

Finding the Fourth Proportional to 7,217.18, 10,827.16 and 2,774.51

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Solution

The fourth proportional to 7,217.18, 10,827.16 and 2,774.51 is: 4,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.18 : 10,827.16 = 2,774.51 : x
  2. Step 2: Convert to fraction form
    7,217.18/10,827.16 = 2,774.51/x
  3. Step 3: Cross multiply
    7,217.18x = 10,827.16 × 2,774.51
  4. Step 4: Simplify right side
    7,217.18x = 30,040,063.69
  5. Step 5: Solve for x
    x = 30,040,063.69/7,217.18
  6. Step 6: Final answer
    x = 4,162.30

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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.