Home / 5,551.96-8,320.74-2,261.23

Finding the Fourth Proportional to 5,551.96, 8,320.74 and 2,261.23

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Solution

The fourth proportional to 5,551.96, 8,320.74 and 2,261.23 is: 3,388.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.96 : 8,320.74 = 2,261.23 : x
  2. Step 2: Convert to fraction form
    5,551.96/8,320.74 = 2,261.23/x
  3. Step 3: Cross multiply
    5,551.96x = 8,320.74 × 2,261.23
  4. Step 4: Simplify right side
    5,551.96x = 18,815,106.91
  5. Step 5: Solve for x
    x = 18,815,106.91/5,551.96
  6. Step 6: Final answer
    x = 3,388.91

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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.