Home / 5,685.11-7,846.03-3,448.56

Finding the Fourth Proportional to 5,685.11, 7,846.03 and 3,448.56

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Solution

The fourth proportional to 5,685.11, 7,846.03 and 3,448.56 is: 4,759.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.11 : 7,846.03 = 3,448.56 : x
  2. Step 2: Convert to fraction form
    5,685.11/7,846.03 = 3,448.56/x
  3. Step 3: Cross multiply
    5,685.11x = 7,846.03 × 3,448.56
  4. Step 4: Simplify right side
    5,685.11x = 27,057,505.22
  5. Step 5: Solve for x
    x = 27,057,505.22/5,685.11
  6. Step 6: Final answer
    x = 4,759.36

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Half scale
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Double scale
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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.