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Finding the Fourth Proportional to 5,289.97, 7,934.94 and 1,592.47

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Solution

The fourth proportional to 5,289.97, 7,934.94 and 1,592.47 is: 2,388.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.97 : 7,934.94 = 1,592.47 : x
  2. Step 2: Convert to fraction form
    5,289.97/7,934.94 = 1,592.47/x
  3. Step 3: Cross multiply
    5,289.97x = 7,934.94 × 1,592.47
  4. Step 4: Simplify right side
    5,289.97x = 12,636,153.90
  5. Step 5: Solve for x
    x = 12,636,153.90/5,289.97
  6. Step 6: Final answer
    x = 2,388.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.