Home / 7,420.96-11,122-3,033.28

Finding the Fourth Proportional to 7,420.96, 11,122 and 3,033.28

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Solution

The fourth proportional to 7,420.96, 11,122 and 3,033.28 is: 4,546.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420.96 : 11,122 = 3,033.28 : x
  2. Step 2: Convert to fraction form
    7,420.96/11,122 = 3,033.28/x
  3. Step 3: Cross multiply
    7,420.96x = 11,122 × 3,033.28
  4. Step 4: Simplify right side
    7,420.96x = 33,736,140.16
  5. Step 5: Solve for x
    x = 33,736,140.16/7,420.96
  6. Step 6: Final answer
    x = 4,546.06

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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.