Home / 5,361.08-7,398.75-3,123.17

Finding the Fourth Proportional to 5,361.08, 7,398.75 and 3,123.17

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Solution

The fourth proportional to 5,361.08, 7,398.75 and 3,123.17 is: 4,310.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.08 : 7,398.75 = 3,123.17 : x
  2. Step 2: Convert to fraction form
    5,361.08/7,398.75 = 3,123.17/x
  3. Step 3: Cross multiply
    5,361.08x = 7,398.75 × 3,123.17
  4. Step 4: Simplify right side
    5,361.08x = 23,107,517.04
  5. Step 5: Solve for x
    x = 23,107,517.04/5,361.08
  6. Step 6: Final answer
    x = 4,310.24

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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.