Home / 5,441.12-8,161.26-1,742.36

Finding the Fourth Proportional to 5,441.12, 8,161.26 and 1,742.36

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Solution

The fourth proportional to 5,441.12, 8,161.26 and 1,742.36 is: 2,613.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.12 : 8,161.26 = 1,742.36 : x
  2. Step 2: Convert to fraction form
    5,441.12/8,161.26 = 1,742.36/x
  3. Step 3: Cross multiply
    5,441.12x = 8,161.26 × 1,742.36
  4. Step 4: Simplify right side
    5,441.12x = 14,219,852.97
  5. Step 5: Solve for x
    x = 14,219,852.97/5,441.12
  6. Step 6: Final answer
    x = 2,613.41

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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.