Home / 4,777.92-7,166.88-2,180.34

Finding the Fourth Proportional to 4,777.92, 7,166.88 and 2,180.34

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Solution

The fourth proportional to 4,777.92, 7,166.88 and 2,180.34 is: 3,270.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.92 : 7,166.88 = 2,180.34 : x
  2. Step 2: Convert to fraction form
    4,777.92/7,166.88 = 2,180.34/x
  3. Step 3: Cross multiply
    4,777.92x = 7,166.88 × 2,180.34
  4. Step 4: Simplify right side
    4,777.92x = 15,626,235.14
  5. Step 5: Solve for x
    x = 15,626,235.14/4,777.92
  6. Step 6: Final answer
    x = 3,270.51

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Half scale
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Double scale
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Similar ratio
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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.