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Finding the Fourth Proportional to 5,702.22, 7,868.12 and 3,183.75

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Solution

The fourth proportional to 5,702.22, 7,868.12 and 3,183.75 is: 4,393.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,702.22 : 7,868.12 = 3,183.75 : x
  2. Step 2: Convert to fraction form
    5,702.22/7,868.12 = 3,183.75/x
  3. Step 3: Cross multiply
    5,702.22x = 7,868.12 × 3,183.75
  4. Step 4: Simplify right side
    5,702.22x = 25,050,111.13
  5. Step 5: Solve for x
    x = 25,050,111.13/5,702.22
  6. Step 6: Final answer
    x = 4,393.05

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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.