Home / 2,380.25-3,284.69-1,332.32

Finding the Fourth Proportional to 2,380.25, 3,284.69 and 1,332.32

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Solution

The fourth proportional to 2,380.25, 3,284.69 and 1,332.32 is: 1,838.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.25 : 3,284.69 = 1,332.32 : x
  2. Step 2: Convert to fraction form
    2,380.25/3,284.69 = 1,332.32/x
  3. Step 3: Cross multiply
    2,380.25x = 3,284.69 × 1,332.32
  4. Step 4: Simplify right side
    2,380.25x = 4,376,235.10
  5. Step 5: Solve for x
    x = 4,376,235.10/2,380.25
  6. Step 6: Final answer
    x = 1,838.56

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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.