Home / 5,873.39-8,105.36-3,515.07

Finding the Fourth Proportional to 5,873.39, 8,105.36 and 3,515.07

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Solution

The fourth proportional to 5,873.39, 8,105.36 and 3,515.07 is: 4,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873.39 : 8,105.36 = 3,515.07 : x
  2. Step 2: Convert to fraction form
    5,873.39/8,105.36 = 3,515.07/x
  3. Step 3: Cross multiply
    5,873.39x = 8,105.36 × 3,515.07
  4. Step 4: Simplify right side
    5,873.39x = 28,490,890.20
  5. Step 5: Solve for x
    x = 28,490,890.20/5,873.39
  6. Step 6: Final answer
    x = 4,850.85

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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.