Home / 5,116.44-7,669.13-2,478.36

Finding the Fourth Proportional to 5,116.44, 7,669.13 and 2,478.36

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Solution

The fourth proportional to 5,116.44, 7,669.13 and 2,478.36 is: 3,714.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.44 : 7,669.13 = 2,478.36 : x
  2. Step 2: Convert to fraction form
    5,116.44/7,669.13 = 2,478.36/x
  3. Step 3: Cross multiply
    5,116.44x = 7,669.13 × 2,478.36
  4. Step 4: Simplify right side
    5,116.44x = 19,006,852.64
  5. Step 5: Solve for x
    x = 19,006,852.64/5,116.44
  6. Step 6: Final answer
    x = 3,714.86

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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.