Home / 5,505.80-8,254.38-3,769.16

Finding the Fourth Proportional to 5,505.80, 8,254.38 and 3,769.16

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Solution

The fourth proportional to 5,505.80, 8,254.38 and 3,769.16 is: 5,650.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.80 : 8,254.38 = 3,769.16 : x
  2. Step 2: Convert to fraction form
    5,505.80/8,254.38 = 3,769.16/x
  3. Step 3: Cross multiply
    5,505.80x = 8,254.38 × 3,769.16
  4. Step 4: Simplify right side
    5,505.80x = 31,112,078.92
  5. Step 5: Solve for x
    x = 31,112,078.92/5,505.80
  6. Step 6: Final answer
    x = 5,650.78

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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.