Home / 5,398.33-7,450.23-3,160.07

Finding the Fourth Proportional to 5,398.33, 7,450.23 and 3,160.07

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Solution

The fourth proportional to 5,398.33, 7,450.23 and 3,160.07 is: 4,361.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.33 : 7,450.23 = 3,160.07 : x
  2. Step 2: Convert to fraction form
    5,398.33/7,450.23 = 3,160.07/x
  3. Step 3: Cross multiply
    5,398.33x = 7,450.23 × 3,160.07
  4. Step 4: Simplify right side
    5,398.33x = 23,543,248.32
  5. Step 5: Solve for x
    x = 23,543,248.32/5,398.33
  6. Step 6: Final answer
    x = 4,361.21

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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.