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Finding the Fourth Proportional to 4,159.58, 5,740.08 and 2,391.08

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Solution

The fourth proportional to 4,159.58, 5,740.08 and 2,391.08 is: 3,299.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.58 : 5,740.08 = 2,391.08 : x
  2. Step 2: Convert to fraction form
    4,159.58/5,740.08 = 2,391.08/x
  3. Step 3: Cross multiply
    4,159.58x = 5,740.08 × 2,391.08
  4. Step 4: Simplify right side
    4,159.58x = 13,724,990.49
  5. Step 5: Solve for x
    x = 13,724,990.49/4,159.58
  6. Step 6: Final answer
    x = 3,299.61

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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.