Home / 3,927.11-5,890.59-1,587.06

Finding the Fourth Proportional to 3,927.11, 5,890.59 and 1,587.06

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Solution

The fourth proportional to 3,927.11, 5,890.59 and 1,587.06 is: 2,380.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.11 : 5,890.59 = 1,587.06 : x
  2. Step 2: Convert to fraction form
    3,927.11/5,890.59 = 1,587.06/x
  3. Step 3: Cross multiply
    3,927.11x = 5,890.59 × 1,587.06
  4. Step 4: Simplify right side
    3,927.11x = 9,348,719.77
  5. Step 5: Solve for x
    x = 9,348,719.77/3,927.11
  6. Step 6: Final answer
    x = 2,380.56

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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.