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Finding the Fourth Proportional to 5,307.95, 7,958.88 and 2,018.95

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Solution

The fourth proportional to 5,307.95, 7,958.88 and 2,018.95 is: 3,027.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.95 : 7,958.88 = 2,018.95 : x
  2. Step 2: Convert to fraction form
    5,307.95/7,958.88 = 2,018.95/x
  3. Step 3: Cross multiply
    5,307.95x = 7,958.88 × 2,018.95
  4. Step 4: Simplify right side
    5,307.95x = 16,068,560.88
  5. Step 5: Solve for x
    x = 16,068,560.88/5,307.95
  6. Step 6: Final answer
    x = 3,027.26

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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.