Home / 7,063.20-9,748.49-4,078.62

Finding the Fourth Proportional to 7,063.20, 9,748.49 and 4,078.62

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Solution

The fourth proportional to 7,063.20, 9,748.49 and 4,078.62 is: 5,629.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,063.20 : 9,748.49 = 4,078.62 : x
  2. Step 2: Convert to fraction form
    7,063.20/9,748.49 = 4,078.62/x
  3. Step 3: Cross multiply
    7,063.20x = 9,748.49 × 4,078.62
  4. Step 4: Simplify right side
    7,063.20x = 39,760,365.89
  5. Step 5: Solve for x
    x = 39,760,365.89/7,063.20
  6. Step 6: Final answer
    x = 5,629.23

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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.