Home / 5,359.31-7,396.75-3,122.51

Finding the Fourth Proportional to 5,359.31, 7,396.75 and 3,122.51

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Solution

The fourth proportional to 5,359.31, 7,396.75 and 3,122.51 is: 4,309.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359.31 : 7,396.75 = 3,122.51 : x
  2. Step 2: Convert to fraction form
    5,359.31/7,396.75 = 3,122.51/x
  3. Step 3: Cross multiply
    5,359.31x = 7,396.75 × 3,122.51
  4. Step 4: Simplify right side
    5,359.31x = 23,096,436.53
  5. Step 5: Solve for x
    x = 23,096,436.53/5,359.31
  6. Step 6: Final answer
    x = 4,309.59

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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.