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Finding the Fourth Proportional to 5,798.12, 7,992.50 and 3,555.83

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Solution

The fourth proportional to 5,798.12, 7,992.50 and 3,555.83 is: 4,901.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,798.12 : 7,992.50 = 3,555.83 : x
  2. Step 2: Convert to fraction form
    5,798.12/7,992.50 = 3,555.83/x
  3. Step 3: Cross multiply
    5,798.12x = 7,992.50 × 3,555.83
  4. Step 4: Simplify right side
    5,798.12x = 28,419,913.53
  5. Step 5: Solve for x
    x = 28,419,913.53/5,798.12
  6. Step 6: Final answer
    x = 4,901.58

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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.