Home / 3,765.80-5,649.30-1,168.13

Finding the Fourth Proportional to 3,765.80, 5,649.30 and 1,168.13

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Solution

The fourth proportional to 3,765.80, 5,649.30 and 1,168.13 is: 1,752.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.80 : 5,649.30 = 1,168.13 : x
  2. Step 2: Convert to fraction form
    3,765.80/5,649.30 = 1,168.13/x
  3. Step 3: Cross multiply
    3,765.80x = 5,649.30 × 1,168.13
  4. Step 4: Simplify right side
    3,765.80x = 6,599,088.56
  5. Step 5: Solve for x
    x = 6,599,088.56/3,765.80
  6. Step 6: Final answer
    x = 1,752.38

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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.