Home / 7,328.76-10,991.98-2,648.04

Finding the Fourth Proportional to 7,328.76, 10,991.98 and 2,648.04

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Solution

The fourth proportional to 7,328.76, 10,991.98 and 2,648.04 is: 3,971.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.76 : 10,991.98 = 2,648.04 : x
  2. Step 2: Convert to fraction form
    7,328.76/10,991.98 = 2,648.04/x
  3. Step 3: Cross multiply
    7,328.76x = 10,991.98 × 2,648.04
  4. Step 4: Simplify right side
    7,328.76x = 29,107,202.72
  5. Step 5: Solve for x
    x = 29,107,202.72/7,328.76
  6. Step 6: Final answer
    x = 3,971.64

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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.