Home / 5,442.96-8,157.08-3,900.56

Finding the Fourth Proportional to 5,442.96, 8,157.08 and 3,900.56

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Solution

The fourth proportional to 5,442.96, 8,157.08 and 3,900.56 is: 5,845.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.96 : 8,157.08 = 3,900.56 : x
  2. Step 2: Convert to fraction form
    5,442.96/8,157.08 = 3,900.56/x
  3. Step 3: Cross multiply
    5,442.96x = 8,157.08 × 3,900.56
  4. Step 4: Simplify right side
    5,442.96x = 31,817,179.96
  5. Step 5: Solve for x
    x = 31,817,179.96/5,442.96
  6. Step 6: Final answer
    x = 5,845.57

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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.