Home / 3,742.41-5,613.80-1,403.02

Finding the Fourth Proportional to 3,742.41, 5,613.80 and 1,403.02

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Solution

The fourth proportional to 3,742.41, 5,613.80 and 1,403.02 is: 2,104.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.41 : 5,613.80 = 1,403.02 : x
  2. Step 2: Convert to fraction form
    3,742.41/5,613.80 = 1,403.02/x
  3. Step 3: Cross multiply
    3,742.41x = 5,613.80 × 1,403.02
  4. Step 4: Simplify right side
    3,742.41x = 7,876,273.68
  5. Step 5: Solve for x
    x = 7,876,273.68/3,742.41
  6. Step 6: Final answer
    x = 2,104.60

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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.