Home / 3,411.45-5,116.53-1,562.61

Finding the Fourth Proportional to 3,411.45, 5,116.53 and 1,562.61

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Solution

The fourth proportional to 3,411.45, 5,116.53 and 1,562.61 is: 2,343.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.45 : 5,116.53 = 1,562.61 : x
  2. Step 2: Convert to fraction form
    3,411.45/5,116.53 = 1,562.61/x
  3. Step 3: Cross multiply
    3,411.45x = 5,116.53 × 1,562.61
  4. Step 4: Simplify right side
    3,411.45x = 7,995,140.94
  5. Step 5: Solve for x
    x = 7,995,140.94/3,411.45
  6. Step 6: Final answer
    x = 2,343.62

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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.