Home / 3,342.80-4,609.28-2,500.80

Finding the Fourth Proportional to 3,342.80, 4,609.28 and 2,500.80

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Solution

The fourth proportional to 3,342.80, 4,609.28 and 2,500.80 is: 3,448.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.80 : 4,609.28 = 2,500.80 : x
  2. Step 2: Convert to fraction form
    3,342.80/4,609.28 = 2,500.80/x
  3. Step 3: Cross multiply
    3,342.80x = 4,609.28 × 2,500.80
  4. Step 4: Simplify right side
    3,342.80x = 11,526,874.92
  5. Step 5: Solve for x
    x = 11,526,874.92/3,342.80
  6. Step 6: Final answer
    x = 3,448.27

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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.