Home / 3,846.36-5,307.97-2,077.96

Finding the Fourth Proportional to 3,846.36, 5,307.97 and 2,077.96

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Solution

The fourth proportional to 3,846.36, 5,307.97 and 2,077.96 is: 2,867.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846.36 : 5,307.97 = 2,077.96 : x
  2. Step 2: Convert to fraction form
    3,846.36/5,307.97 = 2,077.96/x
  3. Step 3: Cross multiply
    3,846.36x = 5,307.97 × 2,077.96
  4. Step 4: Simplify right side
    3,846.36x = 11,029,749.34
  5. Step 5: Solve for x
    x = 11,029,749.34/3,846.36
  6. Step 6: Final answer
    x = 2,867.58

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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.