Home / 5,655.84-8,480.62-2,538.83

Finding the Fourth Proportional to 5,655.84, 8,480.62 and 2,538.83

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Solution

The fourth proportional to 5,655.84, 8,480.62 and 2,538.83 is: 3,806.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.84 : 8,480.62 = 2,538.83 : x
  2. Step 2: Convert to fraction form
    5,655.84/8,480.62 = 2,538.83/x
  3. Step 3: Cross multiply
    5,655.84x = 8,480.62 × 2,538.83
  4. Step 4: Simplify right side
    5,655.84x = 21,530,876.85
  5. Step 5: Solve for x
    x = 21,530,876.85/5,655.84
  6. Step 6: Final answer
    x = 3,806.84

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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.