Home / 2,331.12-3,494.15-1,161.99

Finding the Fourth Proportional to 2,331.12, 3,494.15 and 1,161.99

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Solution

The fourth proportional to 2,331.12, 3,494.15 and 1,161.99 is: 1,741.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.12 : 3,494.15 = 1,161.99 : x
  2. Step 2: Convert to fraction form
    2,331.12/3,494.15 = 1,161.99/x
  3. Step 3: Cross multiply
    2,331.12x = 3,494.15 × 1,161.99
  4. Step 4: Simplify right side
    2,331.12x = 4,060,165.91
  5. Step 5: Solve for x
    x = 4,060,165.91/2,331.12
  6. Step 6: Final answer
    x = 1,741.72

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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.