Home / 4,394.14-6,591.20-1,107.49

Finding the Fourth Proportional to 4,394.14, 6,591.20 and 1,107.49

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Solution

The fourth proportional to 4,394.14, 6,591.20 and 1,107.49 is: 1,661.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,394.14 : 6,591.20 = 1,107.49 : x
  2. Step 2: Convert to fraction form
    4,394.14/6,591.20 = 1,107.49/x
  3. Step 3: Cross multiply
    4,394.14x = 6,591.20 × 1,107.49
  4. Step 4: Simplify right side
    4,394.14x = 7,299,688.09
  5. Step 5: Solve for x
    x = 7,299,688.09/4,394.14
  6. Step 6: Final answer
    x = 1,661.23

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Double scale
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Similar ratio
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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.