Home / 5,361.57-7,398.63-3,123.36

Finding the Fourth Proportional to 5,361.57, 7,398.63 and 3,123.36

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Solution

The fourth proportional to 5,361.57, 7,398.63 and 3,123.36 is: 4,310.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.57 : 7,398.63 = 3,123.36 : x
  2. Step 2: Convert to fraction form
    5,361.57/7,398.63 = 3,123.36/x
  3. Step 3: Cross multiply
    5,361.57x = 7,398.63 × 3,123.36
  4. Step 4: Simplify right side
    5,361.57x = 23,108,585.00
  5. Step 5: Solve for x
    x = 23,108,585.00/5,361.57
  6. Step 6: Final answer
    x = 4,310.04

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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.