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Finding the Fourth Proportional to 5,895.55, 8,135.87 and 3,242.90

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Solution

The fourth proportional to 5,895.55, 8,135.87 and 3,242.90 is: 4,475.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,895.55 : 8,135.87 = 3,242.90 : x
  2. Step 2: Convert to fraction form
    5,895.55/8,135.87 = 3,242.90/x
  3. Step 3: Cross multiply
    5,895.55x = 8,135.87 × 3,242.90
  4. Step 4: Simplify right side
    5,895.55x = 26,383,812.82
  5. Step 5: Solve for x
    x = 26,383,812.82/5,895.55
  6. Step 6: Final answer
    x = 4,475.21

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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.