Home / 3,588.71-5,383.06-1,123.75

Finding the Fourth Proportional to 3,588.71, 5,383.06 and 1,123.75

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Solution

The fourth proportional to 3,588.71, 5,383.06 and 1,123.75 is: 1,685.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588.71 : 5,383.06 = 1,123.75 : x
  2. Step 2: Convert to fraction form
    3,588.71/5,383.06 = 1,123.75/x
  3. Step 3: Cross multiply
    3,588.71x = 5,383.06 × 1,123.75
  4. Step 4: Simplify right side
    3,588.71x = 6,049,202.45
  5. Step 5: Solve for x
    x = 6,049,202.45/3,588.71
  6. Step 6: Final answer
    x = 1,685.62

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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.