Home / 4,220.93-6,332.16-2,113.65

Finding the Fourth Proportional to 4,220.93, 6,332.16 and 2,113.65

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Solution

The fourth proportional to 4,220.93, 6,332.16 and 2,113.65 is: 3,170.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.93 : 6,332.16 = 2,113.65 : x
  2. Step 2: Convert to fraction form
    4,220.93/6,332.16 = 2,113.65/x
  3. Step 3: Cross multiply
    4,220.93x = 6,332.16 × 2,113.65
  4. Step 4: Simplify right side
    4,220.93x = 13,383,983.83
  5. Step 5: Solve for x
    x = 13,383,983.83/4,220.93
  6. Step 6: Final answer
    x = 3,170.86

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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.