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Finding the Fourth Proportional to 5,363.84, 8,058.12 and 5,142.41

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Solution

The fourth proportional to 5,363.84, 8,058.12 and 5,142.41 is: 7,725.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.84 : 8,058.12 = 5,142.41 : x
  2. Step 2: Convert to fraction form
    5,363.84/8,058.12 = 5,142.41/x
  3. Step 3: Cross multiply
    5,363.84x = 8,058.12 × 5,142.41
  4. Step 4: Simplify right side
    5,363.84x = 41,438,156.87
  5. Step 5: Solve for x
    x = 41,438,156.87/5,363.84
  6. Step 6: Final answer
    x = 7,725.46

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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.