Home / 5,052.32-7,578.72-2,862.80

Finding the Fourth Proportional to 5,052.32, 7,578.72 and 2,862.80

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Solution

The fourth proportional to 5,052.32, 7,578.72 and 2,862.80 is: 4,294.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,052.32 : 7,578.72 = 2,862.80 : x
  2. Step 2: Convert to fraction form
    5,052.32/7,578.72 = 2,862.80/x
  3. Step 3: Cross multiply
    5,052.32x = 7,578.72 × 2,862.80
  4. Step 4: Simplify right side
    5,052.32x = 21,696,359.62
  5. Step 5: Solve for x
    x = 21,696,359.62/5,052.32
  6. Step 6: Final answer
    x = 4,294.34

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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.