Home / 6,315.67-9,474.74-1,933.78

Finding the Fourth Proportional to 6,315.67, 9,474.74 and 1,933.78

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Solution

The fourth proportional to 6,315.67, 9,474.74 and 1,933.78 is: 2,901.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.67 : 9,474.74 = 1,933.78 : x
  2. Step 2: Convert to fraction form
    6,315.67/9,474.74 = 1,933.78/x
  3. Step 3: Cross multiply
    6,315.67x = 9,474.74 × 1,933.78
  4. Step 4: Simplify right side
    6,315.67x = 18,322,062.72
  5. Step 5: Solve for x
    x = 18,322,062.72/6,315.67
  6. Step 6: Final answer
    x = 2,901.05

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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.