Home / 5,135.22-7,703.99-1,625.44

Finding the Fourth Proportional to 5,135.22, 7,703.99 and 1,625.44

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Solution

The fourth proportional to 5,135.22, 7,703.99 and 1,625.44 is: 2,438.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.22 : 7,703.99 = 1,625.44 : x
  2. Step 2: Convert to fraction form
    5,135.22/7,703.99 = 1,625.44/x
  3. Step 3: Cross multiply
    5,135.22x = 7,703.99 × 1,625.44
  4. Step 4: Simplify right side
    5,135.22x = 12,522,373.51
  5. Step 5: Solve for x
    x = 12,522,373.51/5,135.22
  6. Step 6: Final answer
    x = 2,438.53

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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.