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Finding the Fourth Proportional to 5,404.26, 7,458.01 and 2,981.71

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Solution

The fourth proportional to 5,404.26, 7,458.01 and 2,981.71 is: 4,114.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404.26 : 7,458.01 = 2,981.71 : x
  2. Step 2: Convert to fraction form
    5,404.26/7,458.01 = 2,981.71/x
  3. Step 3: Cross multiply
    5,404.26x = 7,458.01 × 2,981.71
  4. Step 4: Simplify right side
    5,404.26x = 22,237,623.00
  5. Step 5: Solve for x
    x = 22,237,623.00/5,404.26
  6. Step 6: Final answer
    x = 4,114.83

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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.