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Finding the Fourth Proportional to 5,364.60, 8,046.90 and 4,975.80

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Solution

The fourth proportional to 5,364.60, 8,046.90 and 4,975.80 is: 7,463.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,364.60 : 8,046.90 = 4,975.80 : x
  2. Step 2: Convert to fraction form
    5,364.60/8,046.90 = 4,975.80/x
  3. Step 3: Cross multiply
    5,364.60x = 8,046.90 × 4,975.80
  4. Step 4: Simplify right side
    5,364.60x = 40,039,765.02
  5. Step 5: Solve for x
    x = 40,039,765.02/5,364.60
  6. Step 6: Final answer
    x = 7,463.70

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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.