Home / 7,040.25-9,706.71-4,517.91

Finding the Fourth Proportional to 7,040.25, 9,706.71 and 4,517.91

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Solution

The fourth proportional to 7,040.25, 9,706.71 and 4,517.91 is: 6,229.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.25 : 9,706.71 = 4,517.91 : x
  2. Step 2: Convert to fraction form
    7,040.25/9,706.71 = 4,517.91/x
  3. Step 3: Cross multiply
    7,040.25x = 9,706.71 × 4,517.91
  4. Step 4: Simplify right side
    7,040.25x = 43,854,042.18
  5. Step 5: Solve for x
    x = 43,854,042.18/7,040.25
  6. Step 6: Final answer
    x = 6,229.05

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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.