Home / 7,023.81-9,692.96-3,880.07

Finding the Fourth Proportional to 7,023.81, 9,692.96 and 3,880.07

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Solution

The fourth proportional to 7,023.81, 9,692.96 and 3,880.07 is: 5,354.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023.81 : 9,692.96 = 3,880.07 : x
  2. Step 2: Convert to fraction form
    7,023.81/9,692.96 = 3,880.07/x
  3. Step 3: Cross multiply
    7,023.81x = 9,692.96 × 3,880.07
  4. Step 4: Simplify right side
    7,023.81x = 37,609,295.44
  5. Step 5: Solve for x
    x = 37,609,295.44/7,023.81
  6. Step 6: Final answer
    x = 5,354.54

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1.5x scale

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.