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Finding the Fourth Proportional to 5,148.72, 7,723.08 and 4,058.88

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Solution

The fourth proportional to 5,148.72, 7,723.08 and 4,058.88 is: 6,088.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.72 : 7,723.08 = 4,058.88 : x
  2. Step 2: Convert to fraction form
    5,148.72/7,723.08 = 4,058.88/x
  3. Step 3: Cross multiply
    5,148.72x = 7,723.08 × 4,058.88
  4. Step 4: Simplify right side
    5,148.72x = 31,347,054.95
  5. Step 5: Solve for x
    x = 31,347,054.95/5,148.72
  6. Step 6: Final answer
    x = 6,088.32

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Similar ratio
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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.