Home / 5,255.37-7,881.99-1,745.34

Finding the Fourth Proportional to 5,255.37, 7,881.99 and 1,745.34

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Solution

The fourth proportional to 5,255.37, 7,881.99 and 1,745.34 is: 2,617.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.37 : 7,881.99 = 1,745.34 : x
  2. Step 2: Convert to fraction form
    5,255.37/7,881.99 = 1,745.34/x
  3. Step 3: Cross multiply
    5,255.37x = 7,881.99 × 1,745.34
  4. Step 4: Simplify right side
    5,255.37x = 13,756,752.43
  5. Step 5: Solve for x
    x = 13,756,752.43/5,255.37
  6. Step 6: Final answer
    x = 2,617.66

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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.