Home / 4,818.18-7,228.42-1,531.28

Finding the Fourth Proportional to 4,818.18, 7,228.42 and 1,531.28

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Solution

The fourth proportional to 4,818.18, 7,228.42 and 1,531.28 is: 2,297.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.18 : 7,228.42 = 1,531.28 : x
  2. Step 2: Convert to fraction form
    4,818.18/7,228.42 = 1,531.28/x
  3. Step 3: Cross multiply
    4,818.18x = 7,228.42 × 1,531.28
  4. Step 4: Simplify right side
    4,818.18x = 11,068,708.56
  5. Step 5: Solve for x
    x = 11,068,708.56/4,818.18
  6. Step 6: Final answer
    x = 2,297.28

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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.