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Finding the Fourth Proportional to 5,371.40, 8,058.46 and 2,599.40

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Solution

The fourth proportional to 5,371.40, 8,058.46 and 2,599.40 is: 3,899.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.40 : 8,058.46 = 2,599.40 : x
  2. Step 2: Convert to fraction form
    5,371.40/8,058.46 = 2,599.40/x
  3. Step 3: Cross multiply
    5,371.40x = 8,058.46 × 2,599.40
  4. Step 4: Simplify right side
    5,371.40x = 20,947,160.92
  5. Step 5: Solve for x
    x = 20,947,160.92/5,371.40
  6. Step 6: Final answer
    x = 3,899.76

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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.