Home / 3,355.21-5,029.37-1,162.74

Finding the Fourth Proportional to 3,355.21, 5,029.37 and 1,162.74

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Solution

The fourth proportional to 3,355.21, 5,029.37 and 1,162.74 is: 1,742.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.21 : 5,029.37 = 1,162.74 : x
  2. Step 2: Convert to fraction form
    3,355.21/5,029.37 = 1,162.74/x
  3. Step 3: Cross multiply
    3,355.21x = 5,029.37 × 1,162.74
  4. Step 4: Simplify right side
    3,355.21x = 5,847,849.67
  5. Step 5: Solve for x
    x = 5,847,849.67/3,355.21
  6. Step 6: Final answer
    x = 1,742.92

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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.