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Finding the Fourth Proportional to 4,308.39, 5,928.48 and 4,179.93

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Solution

The fourth proportional to 4,308.39, 5,928.48 and 4,179.93 is: 5,751.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.39 : 5,928.48 = 4,179.93 : x
  2. Step 2: Convert to fraction form
    4,308.39/5,928.48 = 4,179.93/x
  3. Step 3: Cross multiply
    4,308.39x = 5,928.48 × 4,179.93
  4. Step 4: Simplify right side
    4,308.39x = 24,780,631.41
  5. Step 5: Solve for x
    x = 24,780,631.41/4,308.39
  6. Step 6: Final answer
    x = 5,751.72

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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.