Home / 7,023.92-9,692.70-3,880.04

Finding the Fourth Proportional to 7,023.92, 9,692.70 and 3,880.04

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Solution

The fourth proportional to 7,023.92, 9,692.70 and 3,880.04 is: 5,354.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023.92 : 9,692.70 = 3,880.04 : x
  2. Step 2: Convert to fraction form
    7,023.92/9,692.70 = 3,880.04/x
  3. Step 3: Cross multiply
    7,023.92x = 9,692.70 × 3,880.04
  4. Step 4: Simplify right side
    7,023.92x = 37,608,063.71
  5. Step 5: Solve for x
    x = 37,608,063.71/7,023.92
  6. Step 6: Final answer
    x = 5,354.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.