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Finding the Fourth Proportional to 5,059.12, 7,590.12 and 2,135.92

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Solution

The fourth proportional to 5,059.12, 7,590.12 and 2,135.92 is: 3,204.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,059.12 : 7,590.12 = 2,135.92 : x
  2. Step 2: Convert to fraction form
    5,059.12/7,590.12 = 2,135.92/x
  3. Step 3: Cross multiply
    5,059.12x = 7,590.12 × 2,135.92
  4. Step 4: Simplify right side
    5,059.12x = 16,211,889.11
  5. Step 5: Solve for x
    x = 16,211,889.11/5,059.12
  6. Step 6: Final answer
    x = 3,204.49

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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.