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Finding the Fourth Proportional to 5,916.32, 8,164.22 and 3,396.68

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Solution

The fourth proportional to 5,916.32, 8,164.22 and 3,396.68 is: 4,687.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,916.32 : 8,164.22 = 3,396.68 : x
  2. Step 2: Convert to fraction form
    5,916.32/8,164.22 = 3,396.68/x
  3. Step 3: Cross multiply
    5,916.32x = 8,164.22 × 3,396.68
  4. Step 4: Simplify right side
    5,916.32x = 27,731,242.79
  5. Step 5: Solve for x
    x = 27,731,242.79/5,916.32
  6. Step 6: Final answer
    x = 4,687.25

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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.