Home / 4,022.12-5,545.40-2,603.31

Finding the Fourth Proportional to 4,022.12, 5,545.40 and 2,603.31

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Solution

The fourth proportional to 4,022.12, 5,545.40 and 2,603.31 is: 3,589.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,022.12 : 5,545.40 = 2,603.31 : x
  2. Step 2: Convert to fraction form
    4,022.12/5,545.40 = 2,603.31/x
  3. Step 3: Cross multiply
    4,022.12x = 5,545.40 × 2,603.31
  4. Step 4: Simplify right side
    4,022.12x = 14,436,361.46
  5. Step 5: Solve for x
    x = 14,436,361.46/4,022.12
  6. Step 6: Final answer
    x = 3,589.24

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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.