Home / 3,923.83-5,885.79-1,291.51

Finding the Fourth Proportional to 3,923.83, 5,885.79 and 1,291.51

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Solution

The fourth proportional to 3,923.83, 5,885.79 and 1,291.51 is: 1,937.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.83 : 5,885.79 = 1,291.51 : x
  2. Step 2: Convert to fraction form
    3,923.83/5,885.79 = 1,291.51/x
  3. Step 3: Cross multiply
    3,923.83x = 5,885.79 × 1,291.51
  4. Step 4: Simplify right side
    3,923.83x = 7,601,556.64
  5. Step 5: Solve for x
    x = 7,601,556.64/3,923.83
  6. Step 6: Final answer
    x = 1,937.28

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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.