Home / 6,598.41-9,103.57-3,908.78

Finding the Fourth Proportional to 6,598.41, 9,103.57 and 3,908.78

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Solution

The fourth proportional to 6,598.41, 9,103.57 and 3,908.78 is: 5,392.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,598.41 : 9,103.57 = 3,908.78 : x
  2. Step 2: Convert to fraction form
    6,598.41/9,103.57 = 3,908.78/x
  3. Step 3: Cross multiply
    6,598.41x = 9,103.57 × 3,908.78
  4. Step 4: Simplify right side
    6,598.41x = 35,583,832.80
  5. Step 5: Solve for x
    x = 35,583,832.80/6,598.41
  6. Step 6: Final answer
    x = 5,392.79

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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.