Home / 5,686.35-7,846.96-3,168.33

Finding the Fourth Proportional to 5,686.35, 7,846.96 and 3,168.33

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Solution

The fourth proportional to 5,686.35, 7,846.96 and 3,168.33 is: 4,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686.35 : 7,846.96 = 3,168.33 : x
  2. Step 2: Convert to fraction form
    5,686.35/7,846.96 = 3,168.33/x
  3. Step 3: Cross multiply
    5,686.35x = 7,846.96 × 3,168.33
  4. Step 4: Simplify right side
    5,686.35x = 24,861,771.51
  5. Step 5: Solve for x
    x = 24,861,771.51/5,686.35
  6. Step 6: Final answer
    x = 4,372.18

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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.