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Finding the Fourth Proportional to 5,887.79, 8,125.05 and 3,235.20

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Solution

The fourth proportional to 5,887.79, 8,125.05 and 3,235.20 is: 4,464.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.79 : 8,125.05 = 3,235.20 : x
  2. Step 2: Convert to fraction form
    5,887.79/8,125.05 = 3,235.20/x
  3. Step 3: Cross multiply
    5,887.79x = 8,125.05 × 3,235.20
  4. Step 4: Simplify right side
    5,887.79x = 26,286,121.13
  5. Step 5: Solve for x
    x = 26,286,121.13/5,887.79
  6. Step 6: Final answer
    x = 4,464.51

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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.