Home / 5,747.61-8,620.65-2,236.08

Finding the Fourth Proportional to 5,747.61, 8,620.65 and 2,236.08

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Solution

The fourth proportional to 5,747.61, 8,620.65 and 2,236.08 is: 3,353.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,747.61 : 8,620.65 = 2,236.08 : x
  2. Step 2: Convert to fraction form
    5,747.61/8,620.65 = 2,236.08/x
  3. Step 3: Cross multiply
    5,747.61x = 8,620.65 × 2,236.08
  4. Step 4: Simplify right side
    5,747.61x = 19,276,463.05
  5. Step 5: Solve for x
    x = 19,276,463.05/5,747.61
  6. Step 6: Final answer
    x = 3,353.82

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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.