Home / 1,180.04-1,627.80-1,096.61

Finding the Fourth Proportional to 1,180.04, 1,627.80 and 1,096.61

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Solution

The fourth proportional to 1,180.04, 1,627.80 and 1,096.61 is: 1,512.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180.04 : 1,627.80 = 1,096.61 : x
  2. Step 2: Convert to fraction form
    1,180.04/1,627.80 = 1,096.61/x
  3. Step 3: Cross multiply
    1,180.04x = 1,627.80 × 1,096.61
  4. Step 4: Simplify right side
    1,180.04x = 1,785,061.76
  5. Step 5: Solve for x
    x = 1,785,061.76/1,180.04
  6. Step 6: Final answer
    x = 1,512.71

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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.