Home / 4,161.25-5,742.89-2,298.61

Finding the Fourth Proportional to 4,161.25, 5,742.89 and 2,298.61

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Solution

The fourth proportional to 4,161.25, 5,742.89 and 2,298.61 is: 3,172.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161.25 : 5,742.89 = 2,298.61 : x
  2. Step 2: Convert to fraction form
    4,161.25/5,742.89 = 2,298.61/x
  3. Step 3: Cross multiply
    4,161.25x = 5,742.89 × 2,298.61
  4. Step 4: Simplify right side
    4,161.25x = 13,200,664.38
  5. Step 5: Solve for x
    x = 13,200,664.38/4,161.25
  6. Step 6: Final answer
    x = 3,172.28

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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.