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Finding the Fourth Proportional to 3,257.84, 4,495.77 and 1,860.86

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Solution

The fourth proportional to 3,257.84, 4,495.77 and 1,860.86 is: 2,567.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.84 : 4,495.77 = 1,860.86 : x
  2. Step 2: Convert to fraction form
    3,257.84/4,495.77 = 1,860.86/x
  3. Step 3: Cross multiply
    3,257.84x = 4,495.77 × 1,860.86
  4. Step 4: Simplify right side
    3,257.84x = 8,365,976.08
  5. Step 5: Solve for x
    x = 8,365,976.08/3,257.84
  6. Step 6: Final answer
    x = 2,567.96

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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.