Home / 5,625.69-7,763.43-3,108.03

Finding the Fourth Proportional to 5,625.69, 7,763.43 and 3,108.03

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Solution

The fourth proportional to 5,625.69, 7,763.43 and 3,108.03 is: 4,289.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.69 : 7,763.43 = 3,108.03 : x
  2. Step 2: Convert to fraction form
    5,625.69/7,763.43 = 3,108.03/x
  3. Step 3: Cross multiply
    5,625.69x = 7,763.43 × 3,108.03
  4. Step 4: Simplify right side
    5,625.69x = 24,128,973.34
  5. Step 5: Solve for x
    x = 24,128,973.34/5,625.69
  6. Step 6: Final answer
    x = 4,289.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.