Home / 4,161.20-5,742.04-2,298.08

Finding the Fourth Proportional to 4,161.20, 5,742.04 and 2,298.08

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Solution

The fourth proportional to 4,161.20, 5,742.04 and 2,298.08 is: 3,171.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161.20 : 5,742.04 = 2,298.08 : x
  2. Step 2: Convert to fraction form
    4,161.20/5,742.04 = 2,298.08/x
  3. Step 3: Cross multiply
    4,161.20x = 5,742.04 × 2,298.08
  4. Step 4: Simplify right side
    4,161.20x = 13,195,667.28
  5. Step 5: Solve for x
    x = 13,195,667.28/4,161.20
  6. Step 6: Final answer
    x = 3,171.12

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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.