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Finding the Fourth Proportional to 5,364.35, 7,402.68 and 2,974.31

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Solution

The fourth proportional to 5,364.35, 7,402.68 and 2,974.31 is: 4,104.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,364.35 : 7,402.68 = 2,974.31 : x
  2. Step 2: Convert to fraction form
    5,364.35/7,402.68 = 2,974.31/x
  3. Step 3: Cross multiply
    5,364.35x = 7,402.68 × 2,974.31
  4. Step 4: Simplify right side
    5,364.35x = 22,017,865.15
  5. Step 5: Solve for x
    x = 22,017,865.15/5,364.35
  6. Step 6: Final answer
    x = 4,104.48

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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.