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Finding the Fourth Proportional to 6,058.40, 8,366.78 and 4,174.88

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Solution

The fourth proportional to 6,058.40, 8,366.78 and 4,174.88 is: 5,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,058.40 : 8,366.78 = 4,174.88 : x
  2. Step 2: Convert to fraction form
    6,058.40/8,366.78 = 4,174.88/x
  3. Step 3: Cross multiply
    6,058.40x = 8,366.78 × 4,174.88
  4. Step 4: Simplify right side
    6,058.40x = 34,930,302.49
  5. Step 5: Solve for x
    x = 34,930,302.49/6,058.40
  6. Step 6: Final answer
    x = 5,765.60

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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.