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Finding the Fourth Proportional to 3,752.56, 5,180.16 and 2,579.68

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Solution

The fourth proportional to 3,752.56, 5,180.16 and 2,579.68 is: 3,561.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.56 : 5,180.16 = 2,579.68 : x
  2. Step 2: Convert to fraction form
    3,752.56/5,180.16 = 2,579.68/x
  3. Step 3: Cross multiply
    3,752.56x = 5,180.16 × 2,579.68
  4. Step 4: Simplify right side
    3,752.56x = 13,363,155.15
  5. Step 5: Solve for x
    x = 13,363,155.15/3,752.56
  6. Step 6: Final answer
    x = 3,561.08

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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.