Home / 5,755.37-8,614.49-2,978.23

Finding the Fourth Proportional to 5,755.37, 8,614.49 and 2,978.23

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Solution

The fourth proportional to 5,755.37, 8,614.49 and 2,978.23 is: 4,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,755.37 : 8,614.49 = 2,978.23 : x
  2. Step 2: Convert to fraction form
    5,755.37/8,614.49 = 2,978.23/x
  3. Step 3: Cross multiply
    5,755.37x = 8,614.49 × 2,978.23
  4. Step 4: Simplify right side
    5,755.37x = 25,655,874.59
  5. Step 5: Solve for x
    x = 25,655,874.59/5,755.37
  6. Step 6: Final answer
    x = 4,457.73

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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.