Home / 7,451.48-11,160.20-3,558.62

Finding the Fourth Proportional to 7,451.48, 11,160.20 and 3,558.62

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Solution

The fourth proportional to 7,451.48, 11,160.20 and 3,558.62 is: 5,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.48 : 11,160.20 = 3,558.62 : x
  2. Step 2: Convert to fraction form
    7,451.48/11,160.20 = 3,558.62/x
  3. Step 3: Cross multiply
    7,451.48x = 11,160.20 × 3,558.62
  4. Step 4: Simplify right side
    7,451.48x = 39,714,910.92
  5. Step 5: Solve for x
    x = 39,714,910.92/7,451.48
  6. Step 6: Final answer
    x = 5,329.80

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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.