Home / 4,315.28-6,469.36-2,235.87

Finding the Fourth Proportional to 4,315.28, 6,469.36 and 2,235.87

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Solution

The fourth proportional to 4,315.28, 6,469.36 and 2,235.87 is: 3,351.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315.28 : 6,469.36 = 2,235.87 : x
  2. Step 2: Convert to fraction form
    4,315.28/6,469.36 = 2,235.87/x
  3. Step 3: Cross multiply
    4,315.28x = 6,469.36 × 2,235.87
  4. Step 4: Simplify right side
    4,315.28x = 14,464,642.35
  5. Step 5: Solve for x
    x = 14,464,642.35/4,315.28
  6. Step 6: Final answer
    x = 3,351.96

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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.