Home / 5,730.30-7,907.74-3,213.04

Finding the Fourth Proportional to 5,730.30, 7,907.74 and 3,213.04

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Solution

The fourth proportional to 5,730.30, 7,907.74 and 3,213.04 is: 4,433.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,730.30 : 7,907.74 = 3,213.04 : x
  2. Step 2: Convert to fraction form
    5,730.30/7,907.74 = 3,213.04/x
  3. Step 3: Cross multiply
    5,730.30x = 7,907.74 × 3,213.04
  4. Step 4: Simplify right side
    5,730.30x = 25,407,884.93
  5. Step 5: Solve for x
    x = 25,407,884.93/5,730.30
  6. Step 6: Final answer
    x = 4,433.95

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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.