Home / 5,380.51-7,424.89-3,022.51

Finding the Fourth Proportional to 5,380.51, 7,424.89 and 3,022.51

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Solution

The fourth proportional to 5,380.51, 7,424.89 and 3,022.51 is: 4,170.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.51 : 7,424.89 = 3,022.51 : x
  2. Step 2: Convert to fraction form
    5,380.51/7,424.89 = 3,022.51/x
  3. Step 3: Cross multiply
    5,380.51x = 7,424.89 × 3,022.51
  4. Step 4: Simplify right side
    5,380.51x = 22,441,804.27
  5. Step 5: Solve for x
    x = 22,441,804.27/5,380.51
  6. Step 6: Final answer
    x = 4,170.94

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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.