Home / 7,727.53-10,664.06-4,190.75

Finding the Fourth Proportional to 7,727.53, 10,664.06 and 4,190.75

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Solution

The fourth proportional to 7,727.53, 10,664.06 and 4,190.75 is: 5,783.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.53 : 10,664.06 = 4,190.75 : x
  2. Step 2: Convert to fraction form
    7,727.53/10,664.06 = 4,190.75/x
  3. Step 3: Cross multiply
    7,727.53x = 10,664.06 × 4,190.75
  4. Step 4: Simplify right side
    7,727.53x = 44,690,409.45
  5. Step 5: Solve for x
    x = 44,690,409.45/7,727.53
  6. Step 6: Final answer
    x = 5,783.27

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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.