Home / 5,719.20-7,893.01-3,361.69

Finding the Fourth Proportional to 5,719.20, 7,893.01 and 3,361.69

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Solution

The fourth proportional to 5,719.20, 7,893.01 and 3,361.69 is: 4,639.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.20 : 7,893.01 = 3,361.69 : x
  2. Step 2: Convert to fraction form
    5,719.20/7,893.01 = 3,361.69/x
  3. Step 3: Cross multiply
    5,719.20x = 7,893.01 × 3,361.69
  4. Step 4: Simplify right side
    5,719.20x = 26,533,852.79
  5. Step 5: Solve for x
    x = 26,533,852.79/5,719.20
  6. Step 6: Final answer
    x = 4,639.43

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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.