Home / 5,220.18-7,833.33-2,099.70

Finding the Fourth Proportional to 5,220.18, 7,833.33 and 2,099.70

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Solution

The fourth proportional to 5,220.18, 7,833.33 and 2,099.70 is: 3,150.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.18 : 7,833.33 = 2,099.70 : x
  2. Step 2: Convert to fraction form
    5,220.18/7,833.33 = 2,099.70/x
  3. Step 3: Cross multiply
    5,220.18x = 7,833.33 × 2,099.70
  4. Step 4: Simplify right side
    5,220.18x = 16,447,643.00
  5. Step 5: Solve for x
    x = 16,447,643.00/5,220.18
  6. Step 6: Final answer
    x = 3,150.78

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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.