Home / 5,885.03-8,121.84-4,292.21

Finding the Fourth Proportional to 5,885.03, 8,121.84 and 4,292.21

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Solution

The fourth proportional to 5,885.03, 8,121.84 and 4,292.21 is: 5,923.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,885.03 : 8,121.84 = 4,292.21 : x
  2. Step 2: Convert to fraction form
    5,885.03/8,121.84 = 4,292.21/x
  3. Step 3: Cross multiply
    5,885.03x = 8,121.84 × 4,292.21
  4. Step 4: Simplify right side
    5,885.03x = 34,860,642.87
  5. Step 5: Solve for x
    x = 34,860,642.87/5,885.03
  6. Step 6: Final answer
    x = 5,923.61

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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.