Home / 4,644.92-6,412.88-3,228.16

Finding the Fourth Proportional to 4,644.92, 6,412.88 and 3,228.16

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Solution

The fourth proportional to 4,644.92, 6,412.88 and 3,228.16 is: 4,456.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,644.92 : 6,412.88 = 3,228.16 : x
  2. Step 2: Convert to fraction form
    4,644.92/6,412.88 = 3,228.16/x
  3. Step 3: Cross multiply
    4,644.92x = 6,412.88 × 3,228.16
  4. Step 4: Simplify right side
    4,644.92x = 20,701,802.70
  5. Step 5: Solve for x
    x = 20,701,802.70/4,644.92
  6. Step 6: Final answer
    x = 4,456.87

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Half scale
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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.