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Finding the Fourth Proportional to 5,245.74, 7,868.61 and 3,597.29

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Solution

The fourth proportional to 5,245.74, 7,868.61 and 3,597.29 is: 5,395.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.74 : 7,868.61 = 3,597.29 : x
  2. Step 2: Convert to fraction form
    5,245.74/7,868.61 = 3,597.29/x
  3. Step 3: Cross multiply
    5,245.74x = 7,868.61 × 3,597.29
  4. Step 4: Simplify right side
    5,245.74x = 28,305,632.72
  5. Step 5: Solve for x
    x = 28,305,632.72/5,245.74
  6. Step 6: Final answer
    x = 5,395.93

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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.