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Finding the Fourth Proportional to 5,631.98, 7,775.24 and 3,745.01

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Solution

The fourth proportional to 5,631.98, 7,775.24 and 3,745.01 is: 5,170.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.98 : 7,775.24 = 3,745.01 : x
  2. Step 2: Convert to fraction form
    5,631.98/7,775.24 = 3,745.01/x
  3. Step 3: Cross multiply
    5,631.98x = 7,775.24 × 3,745.01
  4. Step 4: Simplify right side
    5,631.98x = 29,118,351.46
  5. Step 5: Solve for x
    x = 29,118,351.46/5,631.98
  6. Step 6: Final answer
    x = 5,170.18

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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.