Home / 4,189.55-5,781.42-2,301.12

Finding the Fourth Proportional to 4,189.55, 5,781.42 and 2,301.12

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Solution

The fourth proportional to 4,189.55, 5,781.42 and 2,301.12 is: 3,175.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.55 : 5,781.42 = 2,301.12 : x
  2. Step 2: Convert to fraction form
    4,189.55/5,781.42 = 2,301.12/x
  3. Step 3: Cross multiply
    4,189.55x = 5,781.42 × 2,301.12
  4. Step 4: Simplify right side
    4,189.55x = 13,303,741.19
  5. Step 5: Solve for x
    x = 13,303,741.19/4,189.55
  6. Step 6: Final answer
    x = 3,175.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.