Home / 5,885.52-8,129.88-4,122.96

Finding the Fourth Proportional to 5,885.52, 8,129.88 and 4,122.96

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Solution

The fourth proportional to 5,885.52, 8,129.88 and 4,122.96 is: 5,695.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,885.52 : 8,129.88 = 4,122.96 : x
  2. Step 2: Convert to fraction form
    5,885.52/8,129.88 = 4,122.96/x
  3. Step 3: Cross multiply
    5,885.52x = 8,129.88 × 4,122.96
  4. Step 4: Simplify right side
    5,885.52x = 33,519,170.04
  5. Step 5: Solve for x
    x = 33,519,170.04/5,885.52
  6. Step 6: Final answer
    x = 5,695.19

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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.