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Finding the Fourth Proportional to 5,370.76, 7,414.46 and 3,354.80

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Solution

The fourth proportional to 5,370.76, 7,414.46 and 3,354.80 is: 4,631.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.76 : 7,414.46 = 3,354.80 : x
  2. Step 2: Convert to fraction form
    5,370.76/7,414.46 = 3,354.80/x
  3. Step 3: Cross multiply
    5,370.76x = 7,414.46 × 3,354.80
  4. Step 4: Simplify right side
    5,370.76x = 24,874,030.41
  5. Step 5: Solve for x
    x = 24,874,030.41/5,370.76
  6. Step 6: Final answer
    x = 4,631.38

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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.