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Finding the Fourth Proportional to 3,334.26, 5,001.39 and 869.08

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Solution

The fourth proportional to 3,334.26, 5,001.39 and 869.08 is: 1,303.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,334.26 : 5,001.39 = 869.08 : x
  2. Step 2: Convert to fraction form
    3,334.26/5,001.39 = 869.08/x
  3. Step 3: Cross multiply
    3,334.26x = 5,001.39 × 869.08
  4. Step 4: Simplify right side
    3,334.26x = 4,346,583.01
  5. Step 5: Solve for x
    x = 4,346,583.01/3,334.26
  6. Step 6: Final answer
    x = 1,303.61

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Similar ratio
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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.