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Finding the Fourth Proportional to 5,597.79, 8,393.64 and 2,780.44

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Solution

The fourth proportional to 5,597.79, 8,393.64 and 2,780.44 is: 4,169.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,597.79 : 8,393.64 = 2,780.44 : x
  2. Step 2: Convert to fraction form
    5,597.79/8,393.64 = 2,780.44/x
  3. Step 3: Cross multiply
    5,597.79x = 8,393.64 × 2,780.44
  4. Step 4: Simplify right side
    5,597.79x = 23,338,033.32
  5. Step 5: Solve for x
    x = 23,338,033.32/5,597.79
  6. Step 6: Final answer
    x = 4,169.15

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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.