Home / 5,883.79-8,120.13-3,231.71

Finding the Fourth Proportional to 5,883.79, 8,120.13 and 3,231.71

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Solution

The fourth proportional to 5,883.79, 8,120.13 and 3,231.71 is: 4,460.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,883.79 : 8,120.13 = 3,231.71 : x
  2. Step 2: Convert to fraction form
    5,883.79/8,120.13 = 3,231.71/x
  3. Step 3: Cross multiply
    5,883.79x = 8,120.13 × 3,231.71
  4. Step 4: Simplify right side
    5,883.79x = 26,241,946.91
  5. Step 5: Solve for x
    x = 26,241,946.91/5,883.79
  6. Step 6: Final answer
    x = 4,460.04

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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.