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Finding the Fourth Proportional to 5,751.04, 7,936.65 and 3,513.92

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Solution

The fourth proportional to 5,751.04, 7,936.65 and 3,513.92 is: 4,849.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,751.04 : 7,936.65 = 3,513.92 : x
  2. Step 2: Convert to fraction form
    5,751.04/7,936.65 = 3,513.92/x
  3. Step 3: Cross multiply
    5,751.04x = 7,936.65 × 3,513.92
  4. Step 4: Simplify right side
    5,751.04x = 27,888,753.17
  5. Step 5: Solve for x
    x = 27,888,753.17/5,751.04
  6. Step 6: Final answer
    x = 4,849.34

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1.5x scale

Why These Related Problems?

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