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Finding the Fourth Proportional to 5,759.42, 7,947.95 and 3,275.42

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Solution

The fourth proportional to 5,759.42, 7,947.95 and 3,275.42 is: 4,520.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,759.42 : 7,947.95 = 3,275.42 : x
  2. Step 2: Convert to fraction form
    5,759.42/7,947.95 = 3,275.42/x
  3. Step 3: Cross multiply
    5,759.42x = 7,947.95 × 3,275.42
  4. Step 4: Simplify right side
    5,759.42x = 26,032,874.39
  5. Step 5: Solve for x
    x = 26,032,874.39/5,759.42
  6. Step 6: Final answer
    x = 4,520.05

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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.