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Finding the Fourth Proportional to 5,868.33, 8,089.90 and 4,186.86

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Solution

The fourth proportional to 5,868.33, 8,089.90 and 4,186.86 is: 5,771.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.33 : 8,089.90 = 4,186.86 : x
  2. Step 2: Convert to fraction form
    5,868.33/8,089.90 = 4,186.86/x
  3. Step 3: Cross multiply
    5,868.33x = 8,089.90 × 4,186.86
  4. Step 4: Simplify right side
    5,868.33x = 33,871,278.71
  5. Step 5: Solve for x
    x = 33,871,278.71/5,868.33
  6. Step 6: Final answer
    x = 5,771.88

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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.