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Finding the Fourth Proportional to 5,289.89, 7,300.04 and 3,051.73

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Solution

The fourth proportional to 5,289.89, 7,300.04 and 3,051.73 is: 4,211.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.89 : 7,300.04 = 3,051.73 : x
  2. Step 2: Convert to fraction form
    5,289.89/7,300.04 = 3,051.73/x
  3. Step 3: Cross multiply
    5,289.89x = 7,300.04 × 3,051.73
  4. Step 4: Simplify right side
    5,289.89x = 22,277,751.07
  5. Step 5: Solve for x
    x = 22,277,751.07/5,289.89
  6. Step 6: Final answer
    x = 4,211.38

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Double 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.