Home / 5,100.62-7,038.28-2,862.04

Finding the Fourth Proportional to 5,100.62, 7,038.28 and 2,862.04

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Solution

The fourth proportional to 5,100.62, 7,038.28 and 2,862.04 is: 3,949.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.62 : 7,038.28 = 2,862.04 : x
  2. Step 2: Convert to fraction form
    5,100.62/7,038.28 = 2,862.04/x
  3. Step 3: Cross multiply
    5,100.62x = 7,038.28 × 2,862.04
  4. Step 4: Simplify right side
    5,100.62x = 20,143,838.89
  5. Step 5: Solve for x
    x = 20,143,838.89/5,100.62
  6. Step 6: Final answer
    x = 3,949.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.