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Finding the Fourth Proportional to 5,340.29, 7,368.71 and 2,982.44

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Solution

The fourth proportional to 5,340.29, 7,368.71 and 2,982.44 is: 4,115.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.29 : 7,368.71 = 2,982.44 : x
  2. Step 2: Convert to fraction form
    5,340.29/7,368.71 = 2,982.44/x
  3. Step 3: Cross multiply
    5,340.29x = 7,368.71 × 2,982.44
  4. Step 4: Simplify right side
    5,340.29x = 21,976,720.54
  5. Step 5: Solve for x
    x = 21,976,720.54/5,340.29
  6. Step 6: Final answer
    x = 4,115.27

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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.