Home / 4,712.28-7,069.62-3,328.32

Finding the Fourth Proportional to 4,712.28, 7,069.62 and 3,328.32

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Solution

The fourth proportional to 4,712.28, 7,069.62 and 3,328.32 is: 4,993.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.28 : 7,069.62 = 3,328.32 : x
  2. Step 2: Convert to fraction form
    4,712.28/7,069.62 = 3,328.32/x
  3. Step 3: Cross multiply
    4,712.28x = 7,069.62 × 3,328.32
  4. Step 4: Simplify right side
    4,712.28x = 23,529,957.64
  5. Step 5: Solve for x
    x = 23,529,957.64/4,712.28
  6. Step 6: Final answer
    x = 4,993.33

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1.5x scale

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.