Home / 3,743.10-5,613.53-1,109.99

Finding the Fourth Proportional to 3,743.10, 5,613.53 and 1,109.99

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Solution

The fourth proportional to 3,743.10, 5,613.53 and 1,109.99 is: 1,664.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.10 : 5,613.53 = 1,109.99 : x
  2. Step 2: Convert to fraction form
    3,743.10/5,613.53 = 1,109.99/x
  3. Step 3: Cross multiply
    3,743.10x = 5,613.53 × 1,109.99
  4. Step 4: Simplify right side
    3,743.10x = 6,230,928.55
  5. Step 5: Solve for x
    x = 6,230,928.55/3,743.10
  6. Step 6: Final answer
    x = 1,664.64

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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.