Home / 2,380.42-3,284.76-1,332.28

Finding the Fourth Proportional to 2,380.42, 3,284.76 and 1,332.28

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Solution

The fourth proportional to 2,380.42, 3,284.76 and 1,332.28 is: 1,838.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.42 : 3,284.76 = 1,332.28 : x
  2. Step 2: Convert to fraction form
    2,380.42/3,284.76 = 1,332.28/x
  3. Step 3: Cross multiply
    2,380.42x = 3,284.76 × 1,332.28
  4. Step 4: Simplify right side
    2,380.42x = 4,376,220.05
  5. Step 5: Solve for x
    x = 4,376,220.05/2,380.42
  6. Step 6: Final answer
    x = 1,838.42

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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.