Home / 5,546.31-8,320.47-2,122.94

Finding the Fourth Proportional to 5,546.31, 8,320.47 and 2,122.94

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Solution

The fourth proportional to 5,546.31, 8,320.47 and 2,122.94 is: 3,184.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,546.31 : 8,320.47 = 2,122.94 : x
  2. Step 2: Convert to fraction form
    5,546.31/8,320.47 = 2,122.94/x
  3. Step 3: Cross multiply
    5,546.31x = 8,320.47 × 2,122.94
  4. Step 4: Simplify right side
    5,546.31x = 17,663,858.58
  5. Step 5: Solve for x
    x = 17,663,858.58/5,546.31
  6. Step 6: Final answer
    x = 3,184.79

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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.