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Finding the Fourth Proportional to 5,592.81, 7,717.92 and 3,074.92

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Solution

The fourth proportional to 5,592.81, 7,717.92 and 3,074.92 is: 4,243.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,592.81 : 7,717.92 = 3,074.92 : x
  2. Step 2: Convert to fraction form
    5,592.81/7,717.92 = 3,074.92/x
  3. Step 3: Cross multiply
    5,592.81x = 7,717.92 × 3,074.92
  4. Step 4: Simplify right side
    5,592.81x = 23,731,971.19
  5. Step 5: Solve for x
    x = 23,731,971.19/5,592.81
  6. Step 6: Final answer
    x = 4,243.30

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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.