Home / 4,215.15-6,317.26-2,826.41

Finding the Fourth Proportional to 4,215.15, 6,317.26 and 2,826.41

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Solution

The fourth proportional to 4,215.15, 6,317.26 and 2,826.41 is: 4,235.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.15 : 6,317.26 = 2,826.41 : x
  2. Step 2: Convert to fraction form
    4,215.15/6,317.26 = 2,826.41/x
  3. Step 3: Cross multiply
    4,215.15x = 6,317.26 × 2,826.41
  4. Step 4: Simplify right side
    4,215.15x = 17,855,128.18
  5. Step 5: Solve for x
    x = 17,855,128.18/4,215.15
  6. Step 6: Final answer
    x = 4,235.94

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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.