Home / 2,276.24-3,418.20-2,159.33

Finding the Fourth Proportional to 2,276.24, 3,418.20 and 2,159.33

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Solution

The fourth proportional to 2,276.24, 3,418.20 and 2,159.33 is: 3,242.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.24 : 3,418.20 = 2,159.33 : x
  2. Step 2: Convert to fraction form
    2,276.24/3,418.20 = 2,159.33/x
  3. Step 3: Cross multiply
    2,276.24x = 3,418.20 × 2,159.33
  4. Step 4: Simplify right side
    2,276.24x = 7,381,021.81
  5. Step 5: Solve for x
    x = 7,381,021.81/2,276.24
  6. Step 6: Final answer
    x = 3,242.64

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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.