Home / 5,361.97-7,400.24-3,124.55

Finding the Fourth Proportional to 5,361.97, 7,400.24 and 3,124.55

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Solution

The fourth proportional to 5,361.97, 7,400.24 and 3,124.55 is: 4,312.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.97 : 7,400.24 = 3,124.55 : x
  2. Step 2: Convert to fraction form
    5,361.97/7,400.24 = 3,124.55/x
  3. Step 3: Cross multiply
    5,361.97x = 7,400.24 × 3,124.55
  4. Step 4: Simplify right side
    5,361.97x = 23,122,419.89
  5. Step 5: Solve for x
    x = 23,122,419.89/5,361.97
  6. Step 6: Final answer
    x = 4,312.30

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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.