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Finding the Fourth Proportional to 5,597.52, 7,724.60 and 3,079.64

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Solution

The fourth proportional to 5,597.52, 7,724.60 and 3,079.64 is: 4,249.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,597.52 : 7,724.60 = 3,079.64 : x
  2. Step 2: Convert to fraction form
    5,597.52/7,724.60 = 3,079.64/x
  3. Step 3: Cross multiply
    5,597.52x = 7,724.60 × 3,079.64
  4. Step 4: Simplify right side
    5,597.52x = 23,788,933.12
  5. Step 5: Solve for x
    x = 23,788,933.12/5,597.52
  6. Step 6: Final answer
    x = 4,249.91

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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.