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Finding the Fourth Proportional to 2,804.13, 3,860.03 and 2,425.86

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Solution

The fourth proportional to 2,804.13, 3,860.03 and 2,425.86 is: 3,339.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804.13 : 3,860.03 = 2,425.86 : x
  2. Step 2: Convert to fraction form
    2,804.13/3,860.03 = 2,425.86/x
  3. Step 3: Cross multiply
    2,804.13x = 3,860.03 × 2,425.86
  4. Step 4: Simplify right side
    2,804.13x = 9,363,898.44
  5. Step 5: Solve for x
    x = 9,363,898.44/2,804.13
  6. Step 6: Final answer
    x = 3,339.32

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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.