Home / 2,076.65-2,865.75-1,132.46

Finding the Fourth Proportional to 2,076.65, 2,865.75 and 1,132.46

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Solution

The fourth proportional to 2,076.65, 2,865.75 and 1,132.46 is: 1,562.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.65 : 2,865.75 = 1,132.46 : x
  2. Step 2: Convert to fraction form
    2,076.65/2,865.75 = 1,132.46/x
  3. Step 3: Cross multiply
    2,076.65x = 2,865.75 × 1,132.46
  4. Step 4: Simplify right side
    2,076.65x = 3,245,340.91
  5. Step 5: Solve for x
    x = 3,245,340.91/2,076.65
  6. Step 6: Final answer
    x = 1,562.78

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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.