Home / 2,718.76-4,077.58-1,180.04

Finding the Fourth Proportional to 2,718.76, 4,077.58 and 1,180.04

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Solution

The fourth proportional to 2,718.76, 4,077.58 and 1,180.04 is: 1,769.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.76 : 4,077.58 = 1,180.04 : x
  2. Step 2: Convert to fraction form
    2,718.76/4,077.58 = 1,180.04/x
  3. Step 3: Cross multiply
    2,718.76x = 4,077.58 × 1,180.04
  4. Step 4: Simplify right side
    2,718.76x = 4,811,707.50
  5. Step 5: Solve for x
    x = 4,811,707.50/2,718.76
  6. Step 6: Final answer
    x = 1,769.82

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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.