Home / 3,116.76-4,674.66-1,036.80

Finding the Fourth Proportional to 3,116.76, 4,674.66 and 1,036.80

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Solution

The fourth proportional to 3,116.76, 4,674.66 and 1,036.80 is: 1,555.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.76 : 4,674.66 = 1,036.80 : x
  2. Step 2: Convert to fraction form
    3,116.76/4,674.66 = 1,036.80/x
  3. Step 3: Cross multiply
    3,116.76x = 4,674.66 × 1,036.80
  4. Step 4: Simplify right side
    3,116.76x = 4,846,687.49
  5. Step 5: Solve for x
    x = 4,846,687.49/3,116.76
  6. Step 6: Final answer
    x = 1,555.04

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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.