Home / 4,752.92-7,130.38-1,791.30

Finding the Fourth Proportional to 4,752.92, 7,130.38 and 1,791.30

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Solution

The fourth proportional to 4,752.92, 7,130.38 and 1,791.30 is: 2,687.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752.92 : 7,130.38 = 1,791.30 : x
  2. Step 2: Convert to fraction form
    4,752.92/7,130.38 = 1,791.30/x
  3. Step 3: Cross multiply
    4,752.92x = 7,130.38 × 1,791.30
  4. Step 4: Simplify right side
    4,752.92x = 12,772,627.68
  5. Step 5: Solve for x
    x = 12,772,627.68/4,752.92
  6. Step 6: Final answer
    x = 2,687.32

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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.