Home / 7,333.80-11,002.32-3,638.04

Finding the Fourth Proportional to 7,333.80, 11,002.32 and 3,638.04

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Solution

The fourth proportional to 7,333.80, 11,002.32 and 3,638.04 is: 5,457.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.80 : 11,002.32 = 3,638.04 : x
  2. Step 2: Convert to fraction form
    7,333.80/11,002.32 = 3,638.04/x
  3. Step 3: Cross multiply
    7,333.80x = 11,002.32 × 3,638.04
  4. Step 4: Simplify right side
    7,333.80x = 40,026,880.25
  5. Step 5: Solve for x
    x = 40,026,880.25/7,333.80
  6. Step 6: Final answer
    x = 5,457.86

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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.