Home / 5,900.12-8,143.09-4,311.99

Finding the Fourth Proportional to 5,900.12, 8,143.09 and 4,311.99

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Solution

The fourth proportional to 5,900.12, 8,143.09 and 4,311.99 is: 5,951.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,900.12 : 8,143.09 = 4,311.99 : x
  2. Step 2: Convert to fraction form
    5,900.12/8,143.09 = 4,311.99/x
  3. Step 3: Cross multiply
    5,900.12x = 8,143.09 × 4,311.99
  4. Step 4: Simplify right side
    5,900.12x = 35,112,881.93
  5. Step 5: Solve for x
    x = 35,112,881.93/5,900.12
  6. Step 6: Final answer
    x = 5,951.22

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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.