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Finding the Fourth Proportional to 2,743.47, 4,115.14 and 795.67

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Solution

The fourth proportional to 2,743.47, 4,115.14 and 795.67 is: 1,193.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.47 : 4,115.14 = 795.67 : x
  2. Step 2: Convert to fraction form
    2,743.47/4,115.14 = 795.67/x
  3. Step 3: Cross multiply
    2,743.47x = 4,115.14 × 795.67
  4. Step 4: Simplify right side
    2,743.47x = 3,274,281.17
  5. Step 5: Solve for x
    x = 3,274,281.17/2,743.47
  6. Step 6: Final answer
    x = 1,193.48

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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.