Home / 7,469.17-11,203.72-2,790.35

Finding the Fourth Proportional to 7,469.17, 11,203.72 and 2,790.35

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Solution

The fourth proportional to 7,469.17, 11,203.72 and 2,790.35 is: 4,185.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.17 : 11,203.72 = 2,790.35 : x
  2. Step 2: Convert to fraction form
    7,469.17/11,203.72 = 2,790.35/x
  3. Step 3: Cross multiply
    7,469.17x = 11,203.72 × 2,790.35
  4. Step 4: Simplify right side
    7,469.17x = 31,262,300.10
  5. Step 5: Solve for x
    x = 31,262,300.10/7,469.17
  6. Step 6: Final answer
    x = 4,185.51

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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.