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Finding the Fourth Proportional to 5,838.62, 8,053.44 and 3,479

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Solution

The fourth proportional to 5,838.62, 8,053.44 and 3,479 is: 4,798.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,838.62 : 8,053.44 = 3,479 : x
  2. Step 2: Convert to fraction form
    5,838.62/8,053.44 = 3,479/x
  3. Step 3: Cross multiply
    5,838.62x = 8,053.44 × 3,479
  4. Step 4: Simplify right side
    5,838.62x = 28,017,917.76
  5. Step 5: Solve for x
    x = 28,017,917.76/5,838.62
  6. Step 6: Final answer
    x = 4,798.72

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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.