Home / 3,931.42-5,899.20-1,741.66

Finding the Fourth Proportional to 3,931.42, 5,899.20 and 1,741.66

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Solution

The fourth proportional to 3,931.42, 5,899.20 and 1,741.66 is: 2,613.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.42 : 5,899.20 = 1,741.66 : x
  2. Step 2: Convert to fraction form
    3,931.42/5,899.20 = 1,741.66/x
  3. Step 3: Cross multiply
    3,931.42x = 5,899.20 × 1,741.66
  4. Step 4: Simplify right side
    3,931.42x = 10,274,400.67
  5. Step 5: Solve for x
    x = 10,274,400.67/3,931.42
  6. Step 6: Final answer
    x = 2,613.41

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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.