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Finding the Fourth Proportional to 5,302.78, 7,955.37 and 2,836.30

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Solution

The fourth proportional to 5,302.78, 7,955.37 and 2,836.30 is: 4,255.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302.78 : 7,955.37 = 2,836.30 : x
  2. Step 2: Convert to fraction form
    5,302.78/7,955.37 = 2,836.30/x
  3. Step 3: Cross multiply
    5,302.78x = 7,955.37 × 2,836.30
  4. Step 4: Simplify right side
    5,302.78x = 22,563,815.93
  5. Step 5: Solve for x
    x = 22,563,815.93/5,302.78
  6. Step 6: Final answer
    x = 4,255.09

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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.