Home / 7,094.13-9,788.49-3,949.71

Finding the Fourth Proportional to 7,094.13, 9,788.49 and 3,949.71

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Solution

The fourth proportional to 7,094.13, 9,788.49 and 3,949.71 is: 5,449.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,094.13 : 9,788.49 = 3,949.71 : x
  2. Step 2: Convert to fraction form
    7,094.13/9,788.49 = 3,949.71/x
  3. Step 3: Cross multiply
    7,094.13x = 9,788.49 × 3,949.71
  4. Step 4: Simplify right side
    7,094.13x = 38,661,696.84
  5. Step 5: Solve for x
    x = 38,661,696.84/7,094.13
  6. Step 6: Final answer
    x = 5,449.82

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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.