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Finding the Fourth Proportional to 5,881.32, 8,113.91 and 3,786.66

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Solution

The fourth proportional to 5,881.32, 8,113.91 and 3,786.66 is: 5,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,881.32 : 8,113.91 = 3,786.66 : x
  2. Step 2: Convert to fraction form
    5,881.32/8,113.91 = 3,786.66/x
  3. Step 3: Cross multiply
    5,881.32x = 8,113.91 × 3,786.66
  4. Step 4: Simplify right side
    5,881.32x = 30,724,599.51
  5. Step 5: Solve for x
    x = 30,724,599.51/5,881.32
  6. Step 6: Final answer
    x = 5,224.10

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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.