Home / 5,820.83-8,730.38-2,122.19

Finding the Fourth Proportional to 5,820.83, 8,730.38 and 2,122.19

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Solution

The fourth proportional to 5,820.83, 8,730.38 and 2,122.19 is: 3,182.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.83 : 8,730.38 = 2,122.19 : x
  2. Step 2: Convert to fraction form
    5,820.83/8,730.38 = 2,122.19/x
  3. Step 3: Cross multiply
    5,820.83x = 8,730.38 × 2,122.19
  4. Step 4: Simplify right side
    5,820.83x = 18,527,470.87
  5. Step 5: Solve for x
    x = 18,527,470.87/5,820.83
  6. Step 6: Final answer
    x = 3,182.96

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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.