Home / 5,010.75-6,917.10-3,220.83

Finding the Fourth Proportional to 5,010.75, 6,917.10 and 3,220.83

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Solution

The fourth proportional to 5,010.75, 6,917.10 and 3,220.83 is: 4,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.75 : 6,917.10 = 3,220.83 : x
  2. Step 2: Convert to fraction form
    5,010.75/6,917.10 = 3,220.83/x
  3. Step 3: Cross multiply
    5,010.75x = 6,917.10 × 3,220.83
  4. Step 4: Simplify right side
    5,010.75x = 22,278,803.19
  5. Step 5: Solve for x
    x = 22,278,803.19/5,010.75
  6. Step 6: Final answer
    x = 4,446.20

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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.