Home / 5,244.16-7,863.93-2,778.41

Finding the Fourth Proportional to 5,244.16, 7,863.93 and 2,778.41

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Solution

The fourth proportional to 5,244.16, 7,863.93 and 2,778.41 is: 4,166.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244.16 : 7,863.93 = 2,778.41 : x
  2. Step 2: Convert to fraction form
    5,244.16/7,863.93 = 2,778.41/x
  3. Step 3: Cross multiply
    5,244.16x = 7,863.93 × 2,778.41
  4. Step 4: Simplify right side
    5,244.16x = 21,849,182.43
  5. Step 5: Solve for x
    x = 21,849,182.43/5,244.16
  6. Step 6: Final answer
    x = 4,166.39

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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.