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Finding the Fourth Proportional to 5,886.56, 8,130.78 and 4,401.22

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Solution

The fourth proportional to 5,886.56, 8,130.78 and 4,401.22 is: 6,079.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,886.56 : 8,130.78 = 4,401.22 : x
  2. Step 2: Convert to fraction form
    5,886.56/8,130.78 = 4,401.22/x
  3. Step 3: Cross multiply
    5,886.56x = 8,130.78 × 4,401.22
  4. Step 4: Simplify right side
    5,886.56x = 35,785,351.55
  5. Step 5: Solve for x
    x = 35,785,351.55/5,886.56
  6. Step 6: Final answer
    x = 6,079.16

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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.