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Finding the Fourth Proportional to 3,595.68, 5,388.86 and 1,619.84

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Solution

The fourth proportional to 3,595.68, 5,388.86 and 1,619.84 is: 2,427.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,595.68 : 5,388.86 = 1,619.84 : x
  2. Step 2: Convert to fraction form
    3,595.68/5,388.86 = 1,619.84/x
  3. Step 3: Cross multiply
    3,595.68x = 5,388.86 × 1,619.84
  4. Step 4: Simplify right side
    3,595.68x = 8,729,090.98
  5. Step 5: Solve for x
    x = 8,729,090.98/3,595.68
  6. Step 6: Final answer
    x = 2,427.66

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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.