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Finding the Fourth Proportional to 4,057.62, 5,599.71 and 2,379

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Solution

The fourth proportional to 4,057.62, 5,599.71 and 2,379 is: 3,283.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,057.62 : 5,599.71 = 2,379 : x
  2. Step 2: Convert to fraction form
    4,057.62/5,599.71 = 2,379/x
  3. Step 3: Cross multiply
    4,057.62x = 5,599.71 × 2,379
  4. Step 4: Simplify right side
    4,057.62x = 13,321,710.09
  5. Step 5: Solve for x
    x = 13,321,710.09/4,057.62
  6. Step 6: Final answer
    x = 3,283.13

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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.