Home / 5,245.84-7,899.80-3,795.16

Finding the Fourth Proportional to 5,245.84, 7,899.80 and 3,795.16

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Solution

The fourth proportional to 5,245.84, 7,899.80 and 3,795.16 is: 5,715.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.84 : 7,899.80 = 3,795.16 : x
  2. Step 2: Convert to fraction form
    5,245.84/7,899.80 = 3,795.16/x
  3. Step 3: Cross multiply
    5,245.84x = 7,899.80 × 3,795.16
  4. Step 4: Simplify right side
    5,245.84x = 29,981,004.97
  5. Step 5: Solve for x
    x = 29,981,004.97/5,245.84
  6. Step 6: Final answer
    x = 5,715.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.