Home / 3,077.45-4,246.78-1,733.12

Finding the Fourth Proportional to 3,077.45, 4,246.78 and 1,733.12

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Solution

The fourth proportional to 3,077.45, 4,246.78 and 1,733.12 is: 2,391.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.45 : 4,246.78 = 1,733.12 : x
  2. Step 2: Convert to fraction form
    3,077.45/4,246.78 = 1,733.12/x
  3. Step 3: Cross multiply
    3,077.45x = 4,246.78 × 1,733.12
  4. Step 4: Simplify right side
    3,077.45x = 7,360,170.69
  5. Step 5: Solve for x
    x = 7,360,170.69/3,077.45
  6. Step 6: Final answer
    x = 2,391.65

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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.