Home / 4,821-7,228.26-2,222.52

Finding the Fourth Proportional to 4,821, 7,228.26 and 2,222.52

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Solution

The fourth proportional to 4,821, 7,228.26 and 2,222.52 is: 3,332.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821 : 7,228.26 = 2,222.52 : x
  2. Step 2: Convert to fraction form
    4,821/7,228.26 = 2,222.52/x
  3. Step 3: Cross multiply
    4,821x = 7,228.26 × 2,222.52
  4. Step 4: Simplify right side
    4,821x = 16,064,952.42
  5. Step 5: Solve for x
    x = 16,064,952.42/4,821
  6. Step 6: Final answer
    x = 3,332.29

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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.