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Finding the Fourth Proportional to 3,750.58, 5,176.43 and 2,179.58

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Solution

The fourth proportional to 3,750.58, 5,176.43 and 2,179.58 is: 3,008.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.58 : 5,176.43 = 2,179.58 : x
  2. Step 2: Convert to fraction form
    3,750.58/5,176.43 = 2,179.58/x
  3. Step 3: Cross multiply
    3,750.58x = 5,176.43 × 2,179.58
  4. Step 4: Simplify right side
    3,750.58x = 11,282,461.69
  5. Step 5: Solve for x
    x = 11,282,461.69/3,750.58
  6. Step 6: Final answer
    x = 3,008.19

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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.