Home / 6,361.20-9,529.65-3,888.68

Finding the Fourth Proportional to 6,361.20, 9,529.65 and 3,888.68

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Solution

The fourth proportional to 6,361.20, 9,529.65 and 3,888.68 is: 5,825.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361.20 : 9,529.65 = 3,888.68 : x
  2. Step 2: Convert to fraction form
    6,361.20/9,529.65 = 3,888.68/x
  3. Step 3: Cross multiply
    6,361.20x = 9,529.65 × 3,888.68
  4. Step 4: Simplify right side
    6,361.20x = 37,057,711.71
  5. Step 5: Solve for x
    x = 37,057,711.71/6,361.20
  6. Step 6: Final answer
    x = 5,825.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.