Home / 3,077.14-4,247.87-1,959.61

Finding the Fourth Proportional to 3,077.14, 4,247.87 and 1,959.61

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Solution

The fourth proportional to 3,077.14, 4,247.87 and 1,959.61 is: 2,705.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.14 : 4,247.87 = 1,959.61 : x
  2. Step 2: Convert to fraction form
    3,077.14/4,247.87 = 1,959.61/x
  3. Step 3: Cross multiply
    3,077.14x = 4,247.87 × 1,959.61
  4. Step 4: Simplify right side
    3,077.14x = 8,324,168.53
  5. Step 5: Solve for x
    x = 8,324,168.53/3,077.14
  6. Step 6: Final answer
    x = 2,705.16

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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.