Home / 2,586.17-3,881.20-1,894.61

Finding the Fourth Proportional to 2,586.17, 3,881.20 and 1,894.61

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Solution

The fourth proportional to 2,586.17, 3,881.20 and 1,894.61 is: 2,843.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.17 : 3,881.20 = 1,894.61 : x
  2. Step 2: Convert to fraction form
    2,586.17/3,881.20 = 1,894.61/x
  3. Step 3: Cross multiply
    2,586.17x = 3,881.20 × 1,894.61
  4. Step 4: Simplify right side
    2,586.17x = 7,353,347.02
  5. Step 5: Solve for x
    x = 7,353,347.02/2,586.17
  6. Step 6: Final answer
    x = 2,843.34

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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.