Home / 3,649.88-5,475.68-1,184.69

Finding the Fourth Proportional to 3,649.88, 5,475.68 and 1,184.69

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Solution

The fourth proportional to 3,649.88, 5,475.68 and 1,184.69 is: 1,777.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.88 : 5,475.68 = 1,184.69 : x
  2. Step 2: Convert to fraction form
    3,649.88/5,475.68 = 1,184.69/x
  3. Step 3: Cross multiply
    3,649.88x = 5,475.68 × 1,184.69
  4. Step 4: Simplify right side
    3,649.88x = 6,486,991.10
  5. Step 5: Solve for x
    x = 6,486,991.10/3,649.88
  6. Step 6: Final answer
    x = 1,777.32

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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.