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Finding the Fourth Proportional to 5,260.98, 7,901.98 and 3,290.11

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Solution

The fourth proportional to 5,260.98, 7,901.98 and 3,290.11 is: 4,941.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.98 : 7,901.98 = 3,290.11 : x
  2. Step 2: Convert to fraction form
    5,260.98/7,901.98 = 3,290.11/x
  3. Step 3: Cross multiply
    5,260.98x = 7,901.98 × 3,290.11
  4. Step 4: Simplify right side
    5,260.98x = 25,998,383.42
  5. Step 5: Solve for x
    x = 25,998,383.42/5,260.98
  6. Step 6: Final answer
    x = 4,941.74

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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.