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Finding the Fourth Proportional to 5,913.57, 8,870.37 and 2,992.71

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Solution

The fourth proportional to 5,913.57, 8,870.37 and 2,992.71 is: 4,489.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.57 : 8,870.37 = 2,992.71 : x
  2. Step 2: Convert to fraction form
    5,913.57/8,870.37 = 2,992.71/x
  3. Step 3: Cross multiply
    5,913.57x = 8,870.37 × 2,992.71
  4. Step 4: Simplify right side
    5,913.57x = 26,546,445.00
  5. Step 5: Solve for x
    x = 26,546,445.00/5,913.57
  6. Step 6: Final answer
    x = 4,489.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.