Home / 4,235.24-6,339.53-2,911.28

Finding the Fourth Proportional to 4,235.24, 6,339.53 and 2,911.28

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Solution

The fourth proportional to 4,235.24, 6,339.53 and 2,911.28 is: 4,357.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,235.24 : 6,339.53 = 2,911.28 : x
  2. Step 2: Convert to fraction form
    4,235.24/6,339.53 = 2,911.28/x
  3. Step 3: Cross multiply
    4,235.24x = 6,339.53 × 2,911.28
  4. Step 4: Simplify right side
    4,235.24x = 18,456,122.48
  5. Step 5: Solve for x
    x = 18,456,122.48/4,235.24
  6. Step 6: Final answer
    x = 4,357.75

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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.