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Finding the Fourth Proportional to 5,058.32, 7,587.47 and 3,949.61

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Solution

The fourth proportional to 5,058.32, 7,587.47 and 3,949.61 is: 5,924.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,058.32 : 7,587.47 = 3,949.61 : x
  2. Step 2: Convert to fraction form
    5,058.32/7,587.47 = 3,949.61/x
  3. Step 3: Cross multiply
    5,058.32x = 7,587.47 × 3,949.61
  4. Step 4: Simplify right side
    5,058.32x = 29,967,519.32
  5. Step 5: Solve for x
    x = 29,967,519.32/5,058.32
  6. Step 6: Final answer
    x = 5,924.41

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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.