Home / 3,923.36-5,886.39-1,973.96

Finding the Fourth Proportional to 3,923.36, 5,886.39 and 1,973.96

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Solution

The fourth proportional to 3,923.36, 5,886.39 and 1,973.96 is: 2,961.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.36 : 5,886.39 = 1,973.96 : x
  2. Step 2: Convert to fraction form
    3,923.36/5,886.39 = 1,973.96/x
  3. Step 3: Cross multiply
    3,923.36x = 5,886.39 × 1,973.96
  4. Step 4: Simplify right side
    3,923.36x = 11,619,498.40
  5. Step 5: Solve for x
    x = 11,619,498.40/3,923.36
  6. Step 6: Final answer
    x = 2,961.62

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1.5x scale

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.