Home / 3,231-4,848.93-2,589.48

Finding the Fourth Proportional to 3,231, 4,848.93 and 2,589.48

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Solution

The fourth proportional to 3,231, 4,848.93 and 2,589.48 is: 3,886.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231 : 4,848.93 = 2,589.48 : x
  2. Step 2: Convert to fraction form
    3,231/4,848.93 = 2,589.48/x
  3. Step 3: Cross multiply
    3,231x = 4,848.93 × 2,589.48
  4. Step 4: Simplify right side
    3,231x = 12,556,207.26
  5. Step 5: Solve for x
    x = 12,556,207.26/3,231
  6. Step 6: Final answer
    x = 3,886.17

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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.