Home / 7,207.92-10,810.96-2,278.06

Finding the Fourth Proportional to 7,207.92, 10,810.96 and 2,278.06

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Solution

The fourth proportional to 7,207.92, 10,810.96 and 2,278.06 is: 3,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.92 : 10,810.96 = 2,278.06 : x
  2. Step 2: Convert to fraction form
    7,207.92/10,810.96 = 2,278.06/x
  3. Step 3: Cross multiply
    7,207.92x = 10,810.96 × 2,278.06
  4. Step 4: Simplify right side
    7,207.92x = 24,628,015.54
  5. Step 5: Solve for x
    x = 24,628,015.54/7,207.92
  6. Step 6: Final answer
    x = 3,416.80

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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.