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Finding the Fourth Proportional to 5,591.77, 8,385.58 and 1,641.94

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Solution

The fourth proportional to 5,591.77, 8,385.58 and 1,641.94 is: 2,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.77 : 8,385.58 = 1,641.94 : x
  2. Step 2: Convert to fraction form
    5,591.77/8,385.58 = 1,641.94/x
  3. Step 3: Cross multiply
    5,591.77x = 8,385.58 × 1,641.94
  4. Step 4: Simplify right side
    5,591.77x = 13,768,591.08
  5. Step 5: Solve for x
    x = 13,768,591.08/5,591.77
  6. Step 6: Final answer
    x = 2,462.30

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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.