Home / 5,521.22-8,283.86-2,561.10

Finding the Fourth Proportional to 5,521.22, 8,283.86 and 2,561.10

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Solution

The fourth proportional to 5,521.22, 8,283.86 and 2,561.10 is: 3,842.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.22 : 8,283.86 = 2,561.10 : x
  2. Step 2: Convert to fraction form
    5,521.22/8,283.86 = 2,561.10/x
  3. Step 3: Cross multiply
    5,521.22x = 8,283.86 × 2,561.10
  4. Step 4: Simplify right side
    5,521.22x = 21,215,793.85
  5. Step 5: Solve for x
    x = 21,215,793.85/5,521.22
  6. Step 6: Final answer
    x = 3,842.59

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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.