Home / 7,435.60-11,152.18-2,757.79

Finding the Fourth Proportional to 7,435.60, 11,152.18 and 2,757.79

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Solution

The fourth proportional to 7,435.60, 11,152.18 and 2,757.79 is: 4,136.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.60 : 11,152.18 = 2,757.79 : x
  2. Step 2: Convert to fraction form
    7,435.60/11,152.18 = 2,757.79/x
  3. Step 3: Cross multiply
    7,435.60x = 11,152.18 × 2,757.79
  4. Step 4: Simplify right side
    7,435.60x = 30,755,370.48
  5. Step 5: Solve for x
    x = 30,755,370.48/7,435.60
  6. Step 6: Final answer
    x = 4,136.23

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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.