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Finding the Fourth Proportional to 5,608.96, 7,741.26 and 4,280.14

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Solution

The fourth proportional to 5,608.96, 7,741.26 and 4,280.14 is: 5,907.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608.96 : 7,741.26 = 4,280.14 : x
  2. Step 2: Convert to fraction form
    5,608.96/7,741.26 = 4,280.14/x
  3. Step 3: Cross multiply
    5,608.96x = 7,741.26 × 4,280.14
  4. Step 4: Simplify right side
    5,608.96x = 33,133,676.58
  5. Step 5: Solve for x
    x = 33,133,676.58/5,608.96
  6. Step 6: Final answer
    x = 5,907.28

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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.