Home / 5,888.63-8,122.22-3,999.15

Finding the Fourth Proportional to 5,888.63, 8,122.22 and 3,999.15

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Solution

The fourth proportional to 5,888.63, 8,122.22 and 3,999.15 is: 5,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,888.63 : 8,122.22 = 3,999.15 : x
  2. Step 2: Convert to fraction form
    5,888.63/8,122.22 = 3,999.15/x
  3. Step 3: Cross multiply
    5,888.63x = 8,122.22 × 3,999.15
  4. Step 4: Simplify right side
    5,888.63x = 32,481,956.12
  5. Step 5: Solve for x
    x = 32,481,956.12/5,888.63
  6. Step 6: Final answer
    x = 5,516.05

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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.