Home / 5,290.46-7,947.84-3,734.04

Finding the Fourth Proportional to 5,290.46, 7,947.84 and 3,734.04

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Solution

The fourth proportional to 5,290.46, 7,947.84 and 3,734.04 is: 5,609.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.46 : 7,947.84 = 3,734.04 : x
  2. Step 2: Convert to fraction form
    5,290.46/7,947.84 = 3,734.04/x
  3. Step 3: Cross multiply
    5,290.46x = 7,947.84 × 3,734.04
  4. Step 4: Simplify right side
    5,290.46x = 29,677,552.47
  5. Step 5: Solve for x
    x = 29,677,552.47/5,290.46
  6. Step 6: Final answer
    x = 5,609.64

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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.