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Finding the Fourth Proportional to 4,394.01, 6,591.15 and 1,619.49

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Solution

The fourth proportional to 4,394.01, 6,591.15 and 1,619.49 is: 2,429.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,394.01 : 6,591.15 = 1,619.49 : x
  2. Step 2: Convert to fraction form
    4,394.01/6,591.15 = 1,619.49/x
  3. Step 3: Cross multiply
    4,394.01x = 6,591.15 × 1,619.49
  4. Step 4: Simplify right side
    4,394.01x = 10,674,301.51
  5. Step 5: Solve for x
    x = 10,674,301.51/4,394.01
  6. Step 6: Final answer
    x = 2,429.28

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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.