Home / 4,161.68-5,742.72-2,298.56

Finding the Fourth Proportional to 4,161.68, 5,742.72 and 2,298.56

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Solution

The fourth proportional to 4,161.68, 5,742.72 and 2,298.56 is: 3,171.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161.68 : 5,742.72 = 2,298.56 : x
  2. Step 2: Convert to fraction form
    4,161.68/5,742.72 = 2,298.56/x
  3. Step 3: Cross multiply
    4,161.68x = 5,742.72 × 2,298.56
  4. Step 4: Simplify right side
    4,161.68x = 13,199,986.48
  5. Step 5: Solve for x
    x = 13,199,986.48/4,161.68
  6. Step 6: Final answer
    x = 3,171.79

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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.