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Finding the Fourth Proportional to 5,283.29, 7,961.22 and 4,379.13

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Solution

The fourth proportional to 5,283.29, 7,961.22 and 4,379.13 is: 6,598.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.29 : 7,961.22 = 4,379.13 : x
  2. Step 2: Convert to fraction form
    5,283.29/7,961.22 = 4,379.13/x
  3. Step 3: Cross multiply
    5,283.29x = 7,961.22 × 4,379.13
  4. Step 4: Simplify right side
    5,283.29x = 34,863,217.34
  5. Step 5: Solve for x
    x = 34,863,217.34/5,283.29
  6. Step 6: Final answer
    x = 6,598.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.