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Finding the Fourth Proportional to 2,795.40, 3,860.46 and 2,302.92

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Solution

The fourth proportional to 2,795.40, 3,860.46 and 2,302.92 is: 3,180.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.40 : 3,860.46 = 2,302.92 : x
  2. Step 2: Convert to fraction form
    2,795.40/3,860.46 = 2,302.92/x
  3. Step 3: Cross multiply
    2,795.40x = 3,860.46 × 2,302.92
  4. Step 4: Simplify right side
    2,795.40x = 8,890,330.54
  5. Step 5: Solve for x
    x = 8,890,330.54/2,795.40
  6. Step 6: Final answer
    x = 3,180.34

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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.