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Finding the Fourth Proportional to 3,748.05, 5,614.29 and 1,775.34

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Solution

The fourth proportional to 3,748.05, 5,614.29 and 1,775.34 is: 2,659.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.05 : 5,614.29 = 1,775.34 : x
  2. Step 2: Convert to fraction form
    3,748.05/5,614.29 = 1,775.34/x
  3. Step 3: Cross multiply
    3,748.05x = 5,614.29 × 1,775.34
  4. Step 4: Simplify right side
    3,748.05x = 9,967,284.41
  5. Step 5: Solve for x
    x = 9,967,284.41/3,748.05
  6. Step 6: Final answer
    x = 2,659.33

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1.5x scale

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.