Home / 4,755.23-7,134.54-2,122.50

Finding the Fourth Proportional to 4,755.23, 7,134.54 and 2,122.50

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Solution

The fourth proportional to 4,755.23, 7,134.54 and 2,122.50 is: 3,184.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.23 : 7,134.54 = 2,122.50 : x
  2. Step 2: Convert to fraction form
    4,755.23/7,134.54 = 2,122.50/x
  3. Step 3: Cross multiply
    4,755.23x = 7,134.54 × 2,122.50
  4. Step 4: Simplify right side
    4,755.23x = 15,143,026.44
  5. Step 5: Solve for x
    x = 15,143,026.44/4,755.23
  6. Step 6: Final answer
    x = 3,184.50

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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.