Home / 6,359.28-8,776.20-4,231.14

Finding the Fourth Proportional to 6,359.28, 8,776.20 and 4,231.14

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Solution

The fourth proportional to 6,359.28, 8,776.20 and 4,231.14 is: 5,839.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,359.28 : 8,776.20 = 4,231.14 : x
  2. Step 2: Convert to fraction form
    6,359.28/8,776.20 = 4,231.14/x
  3. Step 3: Cross multiply
    6,359.28x = 8,776.20 × 4,231.14
  4. Step 4: Simplify right side
    6,359.28x = 37,133,330.87
  5. Step 5: Solve for x
    x = 37,133,330.87/6,359.28
  6. Step 6: Final answer
    x = 5,839.24

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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.