Home / 6,117.39-9,170.52-2,220.89

Finding the Fourth Proportional to 6,117.39, 9,170.52 and 2,220.89

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Solution

The fourth proportional to 6,117.39, 9,170.52 and 2,220.89 is: 3,329.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.39 : 9,170.52 = 2,220.89 : x
  2. Step 2: Convert to fraction form
    6,117.39/9,170.52 = 2,220.89/x
  3. Step 3: Cross multiply
    6,117.39x = 9,170.52 × 2,220.89
  4. Step 4: Simplify right side
    6,117.39x = 20,366,661.98
  5. Step 5: Solve for x
    x = 20,366,661.98/6,117.39
  6. Step 6: Final answer
    x = 3,329.31

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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.