Home / 2,625.48-3,938.22-2,320.92

Finding the Fourth Proportional to 2,625.48, 3,938.22 and 2,320.92

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Solution

The fourth proportional to 2,625.48, 3,938.22 and 2,320.92 is: 3,481.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.48 : 3,938.22 = 2,320.92 : x
  2. Step 2: Convert to fraction form
    2,625.48/3,938.22 = 2,320.92/x
  3. Step 3: Cross multiply
    2,625.48x = 3,938.22 × 2,320.92
  4. Step 4: Simplify right side
    2,625.48x = 9,140,293.56
  5. Step 5: Solve for x
    x = 9,140,293.56/2,625.48
  6. Step 6: Final answer
    x = 3,481.38

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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.